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CN118985645A - Preparation method of herbal plant composition for expelling cockroaches, mosquitoes and flies - Google Patents

Preparation method of herbal plant composition for expelling cockroaches, mosquitoes and flies Download PDF

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Publication number
CN118985645A
CN118985645A CN202411078427.3A CN202411078427A CN118985645A CN 118985645 A CN118985645 A CN 118985645A CN 202411078427 A CN202411078427 A CN 202411078427A CN 118985645 A CN118985645 A CN 118985645A
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parts
essential oil
raw material
mosquitoes
herbal
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陈育南
傅勇全
林福来
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/40—Liliopsida [monocotyledons]
    • A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/18—Vapour or smoke emitting compositions with delayed or sustained release
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/22—Lamiaceae or Labiatae [Mint family], e.g. thyme, rosemary, skullcap, selfheal, lavender, perilla, pennyroyal, peppermint or spearmint
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/28—Myrtaceae [Myrtle family], e.g. teatree or clove
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/36—Rutaceae [Rue family], e.g. lime, orange, lemon, corktree or pricklyash
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/40—Liliopsida [monocotyledons]
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P17/00—Pest repellants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P3/00—Fungicides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P7/00—Arthropodicides
    • A01P7/04—Insecticides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Agronomy & Crop Science (AREA)
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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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Abstract

本发明涉及昆虫驱避剂领域，提供一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，解决现有组合物无法兼备驱蟑螂及蚊蝇的效果好、对人体温和无刺激、香气清新，且植物精油挥发率低的特点；包括以下步骤：1)原料的准备：包括原料A、原料B、原料C、植物精油、复合表面活性剂、去离子水；2)复合表面活性剂的制备；3)原料A、B、C与去离子水混合煎煮，获得水相混合物；4)复合表面活性剂与植物精油混合均匀获得油相混合物；5)按照油相混合物和水相混合物的体积比为1:5‑9的比例，在漩涡混合器中，往油相混合物中边震荡边滴加水相混合物，继续震荡，搅拌至获得澄清透明的乳液，获得所述草本植物组合物。The invention relates to the field of insect repellents, and provides a method for preparing a herbal plant composition for repelling cockroaches, mosquitoes and flies, so as to solve the problem that the existing composition cannot have the characteristics of good cockroach, mosquito and fly repelling effect, mild and non-irritating to human body, fresh fragrance and low volatility of plant essential oil. The method comprises the following steps: 1) preparing raw materials: comprising raw material A, raw material B, raw material C, plant essential oil, composite surfactant and deionized water; 2) preparing the composite surfactant; 3) mixing raw materials A, B and C with deionized water and boiling to obtain a water phase mixture; 4) uniformly mixing the composite surfactant with the plant essential oil to obtain an oil phase mixture; 5) in a vortex mixer, adding a water phase mixture dropwise while shaking the oil phase mixture according to a volume ratio of the oil phase mixture to the water phase mixture of 1:5-9, continuing to shake and stir until a clear and transparent emulsion is obtained, so as to obtain the herbal plant composition.

Description

Preparation method of herbal plant composition for expelling cockroaches, mosquitoes and flies
Technical Field
The invention relates to the field of insect repellents, in particular to a preparation method of a herbal plant composition for repelling cockroaches, mosquitoes and flies.
Background
Cockroaches are considered to be one of the most infectious organisms in the world, and are capable of transmitting more than about 200 pathogens, including plague, pneumonia, diarrhea, and the like. Mosquitoes and flies are common insects, not only the transmissible agent of diseases, but also the carrier of pathogens, and the mosquitoes and flies transmit the pathogens such as viruses, bacteria, parasites and the like into human bodies through biting human beings or other animals, thereby causing zoonotics. Meanwhile, the mosquito and fly bitten people moving at night not only affects the sleeping quality, but also can cause symptoms such as skin inflammation and the like. In addition, the mosquitoes and flies can damage articles such as clothes, food and the like, and cause food poisoning and other problems. Therefore, the problem of repelling cockroaches, mosquitoes and flies is needed to be solved.
Chinese patent application number 202210867350.2 discloses the use of a functional adjuvant in a cockroach killing composition the functional adjuvant comprising citral and cinnamaldehyde. The invention also provides a cockroach killing composition, which comprises the functional auxiliary agent and ethofenprox. The invention also provides application of the cockroach killing composition in conventional spraying use directly or after dilution. The invention takes citral and ethofenprox as attracting and synergistic auxiliary agents to be added into the cockroach killing composition comprising the insecticidal preparation for spraying, is a brand new insect killing concept, can efficiently kill cockroaches, is not easy to generate drug resistance, has low toxicity and safety, has no stimulation to skin and eyes, is safe to non-target organisms, has better environmental ecological compatibility and is easy to prepare. The ethofenprox in the composition is stable in chemical components compared with other pesticides, but remains in indoor air in the use process, and the ethofenprox in the composition can cause the problems of discomfort of respiratory tract, cough and the like when inhaled by a human body, and has the characteristics of mildness and no stimulation to the human body.
The Chinese patent application number 202210024235.9 discloses a plant source repellent and a method for repelling cockroaches, mosquitoes and flies, wherein the plant source repellent comprises the following components in percentage by weight: 5% -20% of camphor tree oil, 5% -20% of citronella oil, 5% -20% of eucalyptus oil, 5% -10% of blumea oil, 1% -5% of cedar essential oil, 1% -5% of Uganli essential oil and the balance of at least one of medium chain triglyceride and isopropyl palmitate, are uniformly mixed and stirred, are filtered by a screen with more than 200 meshes, are filled into a packaging container, and are sprayed to a space needing to be driven by cockroaches and mosquitoes and flies through a heating atomization device and a synergistic agent when in use, so that the environment-friendly mosquito-repellent incense is suitable for relatively closed space environments such as kitchens, bedrooms, halls, movie theatres, hotels, restaurants, warehouses, transportation means, classrooms, livestock and animal husbandry farms, has good effects of cockroaches and mosquitoes and flies, is safe, nontoxic, convenient to use, is more friendly to environment and is safe to people and livestock. However, essential oil raw materials added in the plant source repellent have the defect of being volatile, so that the cost is increased, and the repellent effect is affected.
Disclosure of Invention
Therefore, the invention provides a preparation method of a herbal plant composition for expelling cockroaches and mosquitoes and flies, aiming at the problems, and solves the problems that the existing composition cannot achieve the advantages of good effect for expelling cockroaches and mosquitoes and flies, mild and non-irritating human body, fresh fragrance and low volatility of plant essential oil.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A preparation method of a herbal plant composition for expelling cockroaches, mosquitoes and flies comprises the following steps:
S1, adopting the following raw materials in parts by weight: 40-60 parts of raw material A, 40-60 parts of raw material B, 40-60 parts of raw material C, 8-15 parts of plant essential oil, 8-15 parts of compound surfactant and 60-80 parts of deionized water;
S2, uniformly mixing the surfactant and the cosurfactant according to the mass ratio of 3-4:1 to obtain the composite surfactant for later use;
S3, mixing the raw materials A, B and C with deionized water according to parts by weight, decocting for 30-60min, cooling, filtering, centrifuging, and taking supernatant to obtain a water phase mixture;
S4, taking the composite surfactant and the plant essential oil according to parts by weight, and uniformly mixing to obtain an oil phase mixture;
s5, dropwise adding the water phase mixture into the oil phase mixture while shaking in a vortex mixer according to the volume ratio of the oil phase mixture to the water phase mixture of 1:5-9, continuing shaking, and stirring until clear and transparent emulsion is obtained, thereby obtaining the herbal plant composition;
Wherein the raw material A comprises the following raw materials in parts by weight: 40-60 parts of calamus, 10-15 parts of wormwood and 10-15 parts of wrinkled gianthyssop; the raw material B comprises the following raw materials in parts by weight: 40-45 parts of rosemary, 10-15 parts of lavender, 10-15 parts of clove and 10-15 parts of vanilla; the raw material C comprises the following raw materials in parts by weight: 40-60 parts of mint, 5-10 parts of dried lemon, 5-10 parts of star anise and 5-10 parts of bay leaves; the plant essential oil is one or a mixture of more than two of the eugenia essential oil, the grapefruit essential oil and the citronella essential oil in equal proportion.
Further, the emulsion droplet size of the herbal composition is 10-100nm.
Further, the herbal composition has a bluish opalescence.
Further, the herbal composition exhibits a tyndall effect upon incidence of parallel light.
Further, the oil-soluble dye sudan red III and the water-soluble dye methylene blue are simultaneously dripped into the herbal composition, the diffusion speed of the methylene blue in the emulsion is faster than that of the sudan red III, and the herbal composition is an oil-in-water nanoemulsion.
Further, the extraction process of the eucalyptus essential oil comprises the following steps:
I. Drying, crushing and sieving fresh eucalyptus leaves to obtain eucalyptus leaf powder, adding glycerol and choline chloride into the eucalyptus leaf powder according to the solid-to-liquid ratio of the eucalyptus leaf powder, the glycerol and the choline chloride of 1:20-25:20-25, performing ultrasonic extraction treatment, and centrifuging to obtain a supernatant to obtain a first mixture;
II. And (3) carrying out steam distillation extraction on the first mixture obtained in the step I in distillation equipment to obtain the Uganalyx essential oil.
Further, the extraction process of the grapefruit essential oil comprises the following steps: removing white pulp from fresh shaddock peel, sequentially cutting, drying, crushing and sieving to obtain shaddock peel powder, adding the shaddock peel powder into ethanol according to the solid-to-liquid ratio of the shaddock peel powder to the absolute ethyl alcohol of 1:15-25, and carrying out steam distillation extraction in distillation equipment to obtain the shaddock essential oil.
Further, the extraction process of the citronella essential oil comprises the following steps:
a. Picking raw materials: selecting citronella with the mowing growth time of 7-11 months in the morning of a sunny day of 7-9 months and three continuous sunny days, and taking citronella leaves for sun drying for later use;
b. Extracting essential oil: crushing and sieving the dried citronella leaves in the step a to obtain raw material powder, adding the raw material powder into distilled water according to the mass ratio of the raw material powder to the distilled water of 1:15-25, carrying out steam distillation extraction in distillation equipment, and collecting an extract during the 30 th to 60 th min of the extraction to obtain the citronella essential oil.
Further, the surfactant is any one of Cremophor EL30, tween 60, span-80 or Tween-80; the cosurfactant is absolute ethanol or glycerol.
Further, the drying is carried out in an oven at 50-55 ℃ for 30-60min; the crushing is carried out in a crusher; the screening is performed by a mesh screen with 150-200 meshes.
By adopting the technical scheme, the invention has the beneficial effects that:
the herbal plant composition prepared by adopting the technical scheme of the invention has the characteristics of good effect of expelling cockroaches, mosquitoes and flies, mild and non-irritating human body, fresh fragrance and low volatility of plant essential oil.
The herbal plant composition is the oil-in-water nanoemulsion, after the plant essential oil is embedded by the method, the release capacity and the retention capacity of the essential oil can be improved, the volatilization rate of the essential oil is low, the activity of antibacterial substances in the essential oil is effectively protected, the slow release of the essential oil is regulated, the volatility is reduced, and the long-acting repellent effect is achieved; meanwhile, the water solubility of the plant essential oil can be improved, and the herbal plant composition is not easy to delaminate; the nano emulsified essential oil liquid drops reach the nano level, so that the transfer resistance of the nano emulsified essential oil liquid drops in a nano transportation system is reduced, the capability of passive adsorption of the essential oil liquid drops by antibacterial cells is enhanced, and the antibacterial and cockroach expelling activities of the essential oil are enhanced;
The essential oil of citronella mainly comprises citronellal, geraniol, citral, citronellol, elemene and the like, wherein the citronellal and the citronellol monomers are effective natural components for expelling parasites, and have good inhibition on anthracnose germs; the essential oil comprises limonene (60.1-68.1%), nerol (11.4-12.5%), pomelo aldehyde (1-3%), limonene (0.5-1.5%), citronellal (0.2-0.5%) and other substances, and has strong antibacterial performance; the Uyghur essential oil and the three plant essential oils are neurotoxic to the toxicity of insects, can block the binding site of insect cells to hydroxyl-beta-hydroxyethyl amine receptor, thereby having the effects of repelling, antifeeding, stomach poisoning and contact killing to cockroaches, mosquitoes and flies, and has obvious effect on the insect which has generated resistance after the insects are contacted with the medicament, the nervous system is stimulated to cause the insect to suffocate and die from excitation, spasm to paralysis, the knockdown speed to cockroaches, mosquitoes, flies and the like is high. Meanwhile, the plant essential oil is mild and non-irritating, is safe to people and livestock, does not pollute the environment, and is beneficial to regulating the secretion of human dopamine after the emitted faint scent enters the body through the respiratory tract, so that the mood is pleasant. The plant essential oil extracted by the technical scheme of the invention has high oil yield, good purity and better pest repellent effect. The wormwood, the wrinkled giant hyssop and the calamus in the main materials can kill bacteria, mold and viruses, and can destroy cockroach parasitism or living environment so as to prevent newly born cockroaches.
Detailed Description
Example 1
A preparation method of a herbal plant composition for expelling cockroaches, mosquitoes and flies comprises the following steps:
(1) Selection of raw materials
The raw materials with the following weight portions are adopted: 40 parts of raw material A, 40 parts of raw material B, 40 parts of raw material C, 8 parts of plant essential oil, 8 parts of composite surfactant and 60 parts of deionized water;
Wherein the raw material A comprises the following raw materials in parts by weight: 40 parts of calamus, 10 parts of mugwort and 10 parts of wrinkled gianthyssop; the raw material B comprises the following raw materials in parts by weight: 40 parts of rosemary, 10 parts of lavender, 10 parts of clove and 10 parts of vanilla; the raw material C comprises the following raw materials in parts by weight: 40 parts of mint, 5 parts of dried lemon, 5 parts of star anise and 5 parts of bay leaves; the plant essential oil is a mixture of a you li essential oil, a shaddock essential oil and a citronella essential oil in a proportion;
(2) Preparation of composite surfactant
Uniformly mixing the cremophor EL30 and the absolute ethyl alcohol according to the mass ratio of 4:1 to obtain the compound surfactant for later use;
(3) Extraction of Uganli essential oil
I. Drying fresh eucalyptus leaves in an oven at 50 ℃ for 30min, crushing in a crusher, sieving with a 200-mesh sieve to obtain eucalyptus leaf powder, adding glycerol and choline chloride into the eucalyptus leaf powder according to the solid-to-liquid ratio of 1:20:20, performing ultrasonic extraction treatment, centrifuging, and taking supernatant to obtain a first mixture;
II. Carrying out steam distillation extraction on the first mixture obtained in the step I in distillation equipment to obtain the Uyghur essential oil;
(4) Extraction of grapefruit essential oil
Removing white pulp from fresh shaddock peel, cutting into pieces, drying in an oven at 50 ℃ for 30min, crushing in a crusher, sieving with a 200-mesh sieve to obtain shaddock peel powder, adding the shaddock peel powder into ethanol according to the solid-to-liquid ratio of the shaddock peel powder to the absolute ethanol being 1:20, and carrying out steam distillation extraction in distillation equipment to obtain shaddock essential oil;
(5) Extraction of citronella essential oil
A. picking raw materials: selecting citronella with a mowing growth time of 7 months in the morning on a sunny day of 9 months and three continuous sunny days, and taking citronella leaves for sun drying for later use;
b. Extracting essential oil: c, crushing the dried citronella leaves in the step a in a crusher, sieving the crushed citronella leaves with a 200-mesh sieve to obtain raw material powder, adding the raw material powder into distilled water according to the mass ratio of the raw material powder to the distilled water of 1:20, carrying out steam distillation extraction in distillation equipment, and collecting an extract in the 30-60min period of extraction to obtain the citronella essential oil;
(6) Preparation of herbal composition
Mixing the raw materials A, B and C with deionized water according to parts by weight, decocting for 60min, cooling, filtering, centrifuging, and collecting supernatant to obtain a water phase mixture; taking the composite surfactant and the plant essential oil according to parts by weight, and uniformly mixing to obtain an oil phase mixture; then, according to the volume ratio of the oil phase mixture to the water phase mixture of 1:9, dropwise adding the water phase mixture into the oil phase mixture while vibrating in a vortex mixer, continuing vibrating, and stirring until clear and transparent emulsion is obtained, thereby obtaining the herbal plant composition; the emulsion droplet size of the herbal composition is 60nm, and the herbal composition has light blue opalescence; the herbal composition exhibits a tyndall effect upon incidence of parallel light; simultaneously dripping oil-soluble dye sudan red III and water-soluble dye methylene blue into the herbal composition, wherein the diffusion speed of the methylene blue in the emulsion is faster than that of the sudan red III, and the herbal composition is oil-in-water nanoemulsion.
Efficacy of each raw material in main material A, B, C:
Calamus: the volatile oil contains the main component of the vetiverone, has antibacterial effect and special fragrance, and can expel insects; mugwort leaf: is a natural mosquito-repellent material, has special fragrance, and can effectively repel mosquitoes; wrinkled giant hyssop: contains components with inhibiting and killing effects on bacteria and parasites, and has strong aromatic taste; rosemary: fragrance is clear, antibacterial and insecticidal; lavender: tranquilizing and allaying excitement, mosquito repelling; clove: antibacterial, insect-repellent and mite-repellent; vanilla: has delicate fragrance and can repel cockroaches; peppermint: contains oleum Menthae Dementholatum, menthone and menthol, and is easy to disperse, and can dispel mosquito; dried lemon: expelling parasites and flies; octagonal: has strong fragrance and insect repellent effect; leaf of Pelargonium graveolens: clear away heat and toxic materials.
Example 2
A preparation method of a herbal plant composition for expelling cockroaches, mosquitoes and flies comprises the following steps:
(1) Selection of raw materials
The raw materials with the following weight portions are adopted: 50 parts of raw material A, 50 parts of raw material B, 50 parts of raw material C, 10 parts of plant essential oil, 10 parts of composite surfactant and 70 parts of deionized water;
Wherein the raw material A comprises the following raw materials in parts by weight: 50 parts of calamus, 12 parts of mugwort and 12 parts of wrinkled gianthyssop; the raw material B comprises the following raw materials in parts by weight: 42 parts of rosemary, 12 parts of lavender, 12 parts of clove and 12 parts of vanilla; the raw material C comprises the following raw materials in parts by weight: 50 parts of mint, 8 parts of dried lemon, 8 parts of star anise and 8 parts of bay leaves; the plant essential oil is a mixture of a you li essential oil, a shaddock essential oil and a citronella essential oil in a proportion;
(2) Preparation of composite surfactant
Uniformly mixing Tween 60 and absolute ethyl alcohol according to the mass ratio of 3:1 to obtain the composite surfactant for later use;
I. Drying fresh eucalyptus leaves in an oven at 55 ℃ for 45min, crushing in a crusher, sieving with a 200-mesh sieve to obtain eucalyptus leaf powder, adding glycerol and choline chloride into the eucalyptus leaf powder according to the solid-to-liquid ratio of 1:25:25, performing ultrasonic extraction treatment, centrifuging, and taking supernatant to obtain a first mixture;
II. Carrying out steam distillation extraction on the first mixture obtained in the step I in distillation equipment to obtain the Uyghur essential oil;
(3) Extraction of grapefruit essential oil
Removing white pulp from fresh shaddock peel, cutting into pieces, drying in an oven at 55 ℃ for 45min, crushing in a crusher, sieving with a 200-mesh sieve to obtain shaddock peel powder, adding the shaddock peel powder into ethanol according to the solid-to-liquid ratio of the shaddock peel powder to the absolute ethanol being 1:20, and carrying out steam distillation extraction in distillation equipment to obtain shaddock essential oil;
(4) Extraction of citronella essential oil
A. picking raw materials: selecting citronella with a mowing growth time of 9 months in the morning on a sunny day of 7 months and three continuous sunny days, and taking citronella leaves for sun drying for later use;
b. Extracting essential oil: c, crushing the dried citronella leaves in the step a in a crusher, sieving the crushed citronella leaves with a 200-mesh sieve to obtain raw material powder, adding the raw material powder into distilled water according to the mass ratio of the raw material powder to the distilled water of 1:20, carrying out steam distillation extraction in distillation equipment, and collecting an extract in the 30-60min period of extraction to obtain the citronella essential oil;
(5) Preparation of herbal composition
Mixing the raw materials A, B and C with deionized water according to parts by weight, decocting for 50min, cooling, filtering, centrifuging, and collecting supernatant to obtain a water phase mixture; taking the composite surfactant and the plant essential oil according to parts by weight, and uniformly mixing to obtain an oil phase mixture; then, according to the volume ratio of the oil phase mixture to the water phase mixture of 1:8, dropwise adding the water phase mixture into the oil phase mixture while vibrating in a vortex mixer, continuing vibrating, and stirring until clear and transparent emulsion is obtained, thereby obtaining the herbal plant composition; the emulsion droplet size of the herbal composition is 68nm, and the herbal composition has light blue opalescence; the herbal composition exhibits a tyndall effect upon incidence of parallel light; simultaneously dripping oil-soluble dye sudan red III and water-soluble dye methylene blue into the herbal composition, wherein the diffusion speed of the methylene blue in the emulsion is faster than that of the sudan red III, and the herbal composition is oil-in-water nanoemulsion.
Example 3
A preparation method of a herbal plant composition for expelling cockroaches, mosquitoes and flies comprises the following steps:
(1) Selection of raw materials
The raw materials with the following weight portions are adopted: 60 parts of raw material A, 60 parts of raw material B, 60 parts of raw material C, 15 parts of plant essential oil, 15 parts of composite surfactant and 80 parts of deionized water;
Wherein the raw material A comprises the following raw materials in parts by weight: 60 parts of calamus, 15 parts of mugwort and 15 parts of wrinkled gianthyssop; the raw material B comprises the following raw materials in parts by weight: 45 parts of rosemary, 15 parts of lavender, 15 parts of clove and 15 parts of vanilla; the raw material C comprises the following raw materials in parts by weight: 60 parts of mint, 10 parts of dried lemon, 10 parts of star anise and 10 parts of bay leaves; the plant essential oil is a mixture of a you li essential oil, a shaddock essential oil and a citronella essential oil in a proportion;
(2) Preparation of composite surfactant
Uniformly mixing Span-80 and glycerin according to the mass ratio of 3.5:1 to obtain the composite surfactant for later use;
(3) Extraction of Uganli essential oil
I. Drying fresh eucalyptus leaves in an oven at 50 ℃ for 30min, crushing in a crusher, sieving with a 200-mesh sieve to obtain eucalyptus leaf powder, adding glycerol and choline chloride into the eucalyptus leaf powder according to the solid-to-liquid ratio of 1:25:25, performing ultrasonic extraction treatment, centrifuging, and taking supernatant to obtain a first mixture;
II. Carrying out steam distillation extraction on the first mixture obtained in the step I in distillation equipment to obtain the Uyghur essential oil;
(4) Extraction of grapefruit essential oil
Removing white pulp from fresh shaddock peel, cutting into pieces, drying in an oven at 50 ℃ for 30min, crushing in a crusher, sieving with a 200-mesh sieve to obtain shaddock peel powder, adding the shaddock peel powder into ethanol according to the solid-to-liquid ratio of the shaddock peel powder to the absolute ethanol being 1:25, and carrying out steam distillation extraction in distillation equipment to obtain shaddock essential oil;
(5) Extraction of citronella essential oil
C. Picking raw materials: selecting citronella with a mowing growth time of 7 months in the morning on a sunny day of 9 months and three continuous sunny days, and taking citronella leaves for sun drying for later use;
d. Extracting essential oil: c, crushing the dried citronella leaves in the step a in a crusher, sieving the crushed citronella leaves with a 200-mesh sieve to obtain raw material powder, adding the raw material powder into distilled water according to the mass ratio of the raw material powder to the distilled water of 1:25, carrying out steam distillation extraction in distillation equipment, and collecting an extract in the 30-60min period of extraction to obtain the citronella essential oil;
(6) Preparation of herbal composition
Mixing the raw materials A, B and C with deionized water according to parts by weight, decocting for 40min, cooling, filtering, centrifuging, and collecting supernatant to obtain a water phase mixture; taking the composite surfactant and the plant essential oil according to parts by weight, and uniformly mixing to obtain an oil phase mixture; then, according to the volume ratio of the oil phase mixture to the water phase mixture of 1:7, dropwise adding the water phase mixture into the oil phase mixture while vibrating in a vortex mixer, continuing vibrating, and stirring until clear and transparent emulsion is obtained, thereby obtaining the herbal plant composition; the emulsion droplet size of the herbal composition is 50nm, and the herbal composition has light blue opalescence; the herbal composition exhibits a tyndall effect upon incidence of parallel light; simultaneously dripping oil-soluble dye sudan red III and water-soluble dye methylene blue into the herbal composition, wherein the diffusion speed of the methylene blue in the emulsion is faster than that of the sudan red III, and the herbal composition is oil-in-water nanoemulsion.
Example 4
A preparation method of a herbal composition for expelling cockroaches, mosquitoes and flies, which is different from example 1 in that: the raw materials are selected from the following raw materials in parts by weight: 45 parts of raw material A, 45 parts of raw material B, 45 parts of raw material C, 9 parts of plant essential oil, 9 parts of composite surfactant and 65 parts of deionized water;
Wherein the raw material A comprises the following raw materials in parts by weight: 45 parts of calamus, 12 parts of mugwort and 12 parts of wrinkled gianthyssop; the raw material B comprises the following raw materials in parts by weight: 42 parts of rosemary, 12 parts of lavender, 12 parts of clove and 12 parts of vanilla; the raw material C comprises the following raw materials in parts by weight: 45 parts of mint, 6 parts of dried lemon, 6 parts of star anise and 6 parts of bay leaves; the plant essential oil is especially California essential oil. Other technical scheme is the same as that of the embodiment 1.
Example 5
A preparation method of a herbal composition for expelling cockroaches, mosquitoes and flies is different from example 2 in that: the raw materials are selected from the following raw materials in parts by weight: 55 parts of raw material A, 55 parts of raw material B, 55 parts of raw material C, 15 parts of plant essential oil, 15 parts of composite surfactant and 75 parts of deionized water;
Wherein the raw material A comprises the following raw materials in parts by weight: 55 parts of calamus, 14 parts of mugwort and 14 parts of wrinkled gianthyssop; the raw material B comprises the following raw materials in parts by weight: 44 parts of rosemary, 14 parts of lavender, 14 parts of clove and 14 parts of vanilla; the raw material C comprises the following raw materials in parts by weight: 55 parts of mint, 8 parts of dried lemon, 8 parts of star anise and 8 parts of bay leaves; the plant essential oil is grapefruit essential oil. Other technical scheme is the same as that of the embodiment 2.
Example 6
A preparation method of a herbal composition for expelling cockroaches, mosquitoes and flies, which is different from example 3 in that: the raw materials are selected from the following raw materials in parts by weight: 60 parts of raw material A, 60 parts of raw material B, 40 parts of raw material C, 15 parts of plant essential oil, 10 parts of composite surfactant and 80 parts of deionized water;
Wherein the raw material A comprises the following raw materials in parts by weight: 60 parts of calamus, 15 parts of mugwort and 15 parts of wrinkled gianthyssop; the raw material B comprises the following raw materials in parts by weight: 40 parts of rosemary, 10 parts of lavender, 10 parts of clove and 10-15 parts of vanilla; the raw material C comprises the following raw materials in parts by weight: 40 parts of mint, 5 parts of dried lemon, 5 parts of star anise and 5 parts of bay leaves; the plant essential oil is citronella essential oil. Other technical scheme is the same as that of example 3.
Comparative example 1
The difference from example 1 is that: raw materials of the invention are not adopted by raw materials A, raw materials B, raw materials C, plant essential oil, compound surfactant and ionized water, and commercially known 5% ethofenprox, 5% imidacloprid, 5% fipronil, 5% dinotefuran, sugar 4%, humectant 1%, preservative 0.5% and the balance of water are adopted. Other technical scheme is the same as that of the embodiment 1.
Comparative example 2
The difference from example 1 is that: raw materials of the invention are not selected from raw materials A, raw materials B, raw materials C, plant essential oil, composite surfactant and ionized water, and commercially known 8% ethofenprox, 8% imidacloprid, 8% fipronil, 8% dinotefuran, 10% sugar, 3% humectant, 1% preservative and the balance of water are adopted. Other technical scheme is the same as that of the embodiment 1.
Comparative example 3
The difference from example 1 is that: raw materials of the invention are not selected from raw materials A, raw materials B, raw materials C, plant essential oil, composite surfactant and ionized water, and commercially known 10% ethofenprox, 10% imidacloprid, 10% fipronil, 10% dinotefuran, 15% sugar, 5% humectant, 1% preservative and the balance of water are adopted. Other technical scheme is the same as that of the embodiment 1.
Test case
According to national standard "on-site efficacy determination and evaluation of sanitary insecticide spraying agent" GB/T27781-2011, taking on-site collected mosquito, fly, cockroach or reproductive sub-generation as experimental object, uniformly spraying the products obtained in examples 1-6 and comparative examples 1-3 of the invention on the surface to be treated by using a constant sprayer, applying the pesticide to the cockroach habitat of the test area, and measuring the density of the mosquito, fly and cockroach by 1d, 10d, 30d, 60d and 90d after the pesticide application in the control area; and after the application, the spray test is carried out for 1d, 10d, 30d, 60d and 90d, the spray test is carried out with reference to GB/T13917.1, the spray test is carried out for 30min in a continuous position and is repeated for 3 times, 20 mosquitoes or flies are tested each time, 10 German cockroaches and 5 American cockroaches are tested each time (repeated for 6 times), the relative density reduction rate is calculated according to the formula (1) and the formula (2), and the death rate of 24 hours is calculated according to the formula (3). The test sites and control sites were selected as follows:
(1) Fly and cockroach
1 Dining hall or large and medium dining hall, the area is not less than 300m 2, and the cockroach density of the test area and the control area is measured according to the adhesive method in GB/T23795 before the test. The density of the German cockroach is not lower than 10 cockroaches/piece or not lower than 5 cockroaches/piece. The fly density is not less than 10 flies/m by using the visual method of the fly in GB/T23796.
(2) Mosquito and insect
3 Rooms, more than 15 standard rooms in total, and 15min each time by adopting a GB/T23797 inhabiting mosquito capturing method, and calculating the average density of not less than 15 (room.h).
The formulas (1) and (2) are as follows:
Rd＝(1-RPI)×100％ (2)
Wherein:
RPI-related density index;
t a -average density value after treatment in the test zone;
t b -the average density value before treatment in the test zone;
c a -mean density value after control zone treatment;
C b -control zone pre-treatment average density value;
r d -relative Density reduction Rate.
Equation (3) is shown below:
Wherein:
m-mortality;
N m -number of dead insects;
n-total number of test insects.
Specific test data are shown in tables 1 and 2.
TABLE 1
TABLE 2
As shown by the test results in tables 1 and 2, the herbal composition of the present invention has good efficacy, no pungent smell, and mild and harmless to human body.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1.一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于，包括以下步骤：1. A method for preparing a herbal plant composition for repelling cockroaches, mosquitoes and flies, characterized in that it comprises the following steps: S1、采用以下重量份的各原料：40-60份原料A、40-60份原料B、40-60份原料C、8-15份植物精油、8-15份复合表面活性剂、60-80份去离子水；S1, using the following raw materials in parts by weight: 40-60 parts of raw material A, 40-60 parts of raw material B, 40-60 parts of raw material C, 8-15 parts of plant essential oil, 8-15 parts of complex surfactant, 60-80 parts of deionized water; S2、按照表面活性剂和助表面活性剂的质量比为3-4:1的比例，将两者混合均匀，获得所述复合表面活性剂，备用；S2, according to the mass ratio of the surfactant to the co-surfactant being 3-4:1, the two are mixed evenly to obtain the composite surfactant for standby use; S3、按照重量份将所述原料A、原料B、原料C与去离子水混合，进行煎煮30-60min，冷却后过滤、离心，取上清液，获得水相混合物；S3, mixing the raw material A, raw material B, raw material C and deionized water according to weight parts, boiling for 30-60 minutes, filtering and centrifuging after cooling, taking the supernatant to obtain an aqueous phase mixture; S4、按重量份取所述复合表面活性剂与所述植物精油，混合均匀，获得油相混合物；S4, taking the composite surfactant and the plant essential oil in parts by weight, mixing them evenly to obtain an oil phase mixture; S5、按照所述油相混合物和所述水相混合物的体积比为1:5-9的比例，在漩涡混合器中，往所述油相混合物中边震荡边滴加所述水相混合物，继续震荡，搅拌至获得澄清透明的乳液，获得所述草本植物组合物；S5, adding the aqueous phase mixture dropwise to the oil phase mixture in a vortex mixer while shaking the oil phase mixture in a volume ratio of 1:5-9, and continuing to shake and stir until a clear and transparent emulsion is obtained to obtain the herbal plant composition; 其中，所述原料A包括以下重量份的原料：40-60份菖蒲、10-15份艾草、10-15份藿香；所述原料B包括以下重量份的原料：40-45份迷迭香、10-15份薰衣草、10-15份丁香、10-15份香兰；所述原料C包括以下重量份的原料：40-60份薄荷、5-10份干柠檬、5-10份八角、5-10份香叶；所述植物精油为尤加利精油、柚子精油及香茅精油中的任意一种或两种以上等比例混合的混合物。Among them, the raw material A includes the following raw materials in parts by weight: 40-60 parts of calamus, 10-15 parts of mugwort, and 10-15 parts of patchouli; the raw material B includes the following raw materials in parts by weight: 40-45 parts of rosemary, 10-15 parts of lavender, 10-15 parts of cloves, and 10-15 parts of vanilla; the raw material C includes the following raw materials in parts by weight: 40-60 parts of mint, 5-10 parts of dried lemon, 5-10 parts of star anise, and 5-10 parts of bay leaves; the plant essential oil is any one of eucalyptus essential oil, grapefruit essential oil and citronella essential oil, or a mixture of two or more of them in equal proportions. 2.根据权利要求1所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于：所述草本植物组合物的乳滴粒径为10-100nm。2. The method for preparing a herbal composition for repelling cockroaches, mosquitoes and flies according to claim 1, characterized in that the droplet size of the herbal composition is 10-100 nm. 3.根据权利要求1所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于：所述草本植物组合物具有淡蓝色乳光。3. The method for preparing a herbal composition for repelling cockroaches, mosquitoes and flies according to claim 1, characterized in that the herbal composition has a light blue opalescence. 4.根据权利要求1所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于：所述草本植物组合物经平行光入射后出现丁达尔效应。4. The method for preparing a herbal composition for repelling cockroaches, mosquitoes and flies according to claim 1, characterized in that the herbal composition exhibits a Tyndall effect after being incident with parallel light. 5.根据权利要求1所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于：向所述草本植物组合物中同时滴加油溶性染料苏丹红III和水溶性染料亚甲基蓝，亚甲基蓝在乳液中的扩散速度快于苏丹红III，所述草本植物组合物为水包油型纳米乳。5. The method for preparing a herbal composition for repelling cockroaches, mosquitoes and flies according to claim 1, characterized in that: an oil-soluble dye Sudan III and a water-soluble dye methylene blue are simultaneously added to the herbal composition, the diffusion speed of methylene blue in the emulsion is faster than that of Sudan III, and the herbal composition is an oil-in-water nanoemulsion. 6.根据权利要求1所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于，所述尤加利精油的提取过程为：6. The method for preparing a herbal composition for repelling cockroaches, mosquitoes and flies according to claim 1, characterized in that the extraction process of the eucalyptus essential oil is: I、将新鲜尤加利叶烘干、粉碎、过筛，获得尤加利叶粉末，按照尤加利叶粉末、丙三醇、氯化胆碱的固液比为1:20-25:20-25的比例，将丙三醇、氯化胆碱加入至尤加利叶粉末中，超声提取处理，离心取上清液，获得第一混合物；I. Drying, crushing and sieving fresh eucalyptus leaves to obtain eucalyptus leaf powder, adding glycerol and choline chloride to the eucalyptus leaf powder in a solid-liquid ratio of 1:20-25:20-25, ultrasonically extracting, centrifuging and taking the supernatant to obtain a first mixture; II、将步骤I中获得的所述第一混合物在蒸馏设备中进行水蒸气蒸馏提取，获得所述尤加利精油。II. The first mixture obtained in step I is subjected to steam distillation extraction in a distillation device to obtain the eucalyptus essential oil. 7.根据权利要求1所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于，所述柚子精油的提取过程为：将新鲜柚子皮去除白瓤，依次切块、烘干、粉碎、过筛，获得柚子皮粉末，按照所述柚子皮粉末和无水乙醇的固液比为1:15-25的比例，将柚子皮粉末加入至乙醇中，在蒸馏设备中进行水蒸气蒸馏提取，获得所述柚子精油。7. The method for preparing a herbal plant composition for repelling cockroaches, mosquitoes and flies according to claim 1, characterized in that the extraction process of the grapefruit essential oil is: removing the white pulp from fresh grapefruit peel, cutting, drying, crushing and sieving in sequence to obtain grapefruit peel powder, adding the grapefruit peel powder to ethanol in a ratio of 1:15-25 of solid-liquid ratio of the grapefruit peel powder to anhydrous ethanol, performing steam distillation extraction in a distillation device to obtain the grapefruit essential oil. 8.根据权利要求1所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于，所述香茅精油的提取过程为：8. The method for preparing a herbal plant composition for repelling cockroaches, mosquitoes and flies according to claim 1, characterized in that the extraction process of the citronella essential oil is: a、原料采摘：选择在7-9月份、连续晴朗三天的晴天上午刈割生长时间为7-11个月的香茅，取香茅叶片晒干备用；a. Raw material harvesting: Select sunny days in July to September for three consecutive days to cut lemongrass that is 7 to 11 months old, and take the lemongrass leaves and dry them for later use; b、精油提取：将步骤a中晒干的香茅叶片粉碎过筛，获得原料粉末，按照原料粉末和蒸馏水的质量比为1:15-25的比例，原料粉末将加入至蒸馏水中，于蒸馏设备中进行水蒸气蒸馏提取，收集提取的第30-60min期间的提取物，获得所述香茅精油。b. Extraction of essential oil: The dried citronella leaves in step a are crushed and sieved to obtain raw material powder, and the raw material powder is added to distilled water in a mass ratio of 1:15-25, and steam distillation is performed in a distillation device, and the extract during the 30th to 60th minute of the extraction is collected to obtain the citronella essential oil. 9.根据权利要求1所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于，所述表面活性剂为Cremophor EL30、Tween 60、Span-80或Tween-80中的任意一种；所述助表面活性剂为无水乙醇或甘油。9. The method for preparing a herbal plant composition for repelling cockroaches, mosquitoes and flies according to claim 1, characterized in that the surfactant is any one of Cremophor EL30, Tween 60, Span-80 or Tween-80; and the co-surfactant is anhydrous ethanol or glycerol. 10.根据权利要求3-5任意一项所述的一种驱蟑螂、蚊蝇的草本植物组合物的制备方法，其特征在于：所述烘干为在烘箱中进行，温度为50-55℃，时间为30-60min；所述粉碎为在粉碎机中进行；所述过筛为过150-200目的网筛。10. The method for preparing a herbal plant composition for repelling cockroaches, mosquitoes and flies according to any one of claims 3 to 5, characterized in that: the drying is carried out in an oven at a temperature of 50-55°C for 30-60 minutes; the crushing is carried out in a crusher; and the screening is through a 150-200 mesh sieve.
CN202411078427.3A 2024-08-07 2024-08-07 Preparation method of herbal plant composition for expelling cockroaches, mosquitoes and flies Pending CN118985645A (en)

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