CN114903035B - Fresh cut flower preservative for peony and paeonia lactiflora and preparation method thereof - Google Patents
Fresh cut flower preservative for peony and paeonia lactiflora and preparation method thereof Download PDFInfo
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- CN114903035B CN114903035B CN202210419620.3A CN202210419620A CN114903035B CN 114903035 B CN114903035 B CN 114903035B CN 202210419620 A CN202210419620 A CN 202210419620A CN 114903035 B CN114903035 B CN 114903035B
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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
- A01N3/00—Preservation of plants or parts thereof, e.g. inhibiting evaporation, improvement of the appearance of leaves or protection against physical influences such as UV radiation using chemical compositions; Grafting wax
- A01N3/02—Keeping cut flowers fresh chemically
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- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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Abstract
The invention discloses a peony and peony fresh cut flower preservative, which comprises the following components: 15-30g/L sucrose, 0.2-0.8g/L boric acid, 0.2-0.8g/L potassium sulfate, 0.2-0.8g/L tartaric acid, 0.1-0.3g/L acanthopanax, 0.04-0.08g/L melatonin, and water as solvent. The preparation method comprises the following steps: grinding radix Acanthopanacis Senticosi into powder, adding sucrose into water, heating, adding boric acid, potassium sulfate, tartaric acid, radix Acanthopanacis Senticosi powder and melatonin, stirring, and sterilizing. According to the invention, the acanthopanax root and melatonin are combined to obtain the preservative solution formula capable of realizing a better effect, and the effects of promoting the opening of peony and paeonia lactiflora flowers, effectively delaying senescence, inhibiting petal falling, inhibiting bacterial growth, promoting the increase of fresh cut flower stems and prolonging the cut flower vase period can be realized.
Description
Technical Field
The invention relates to the technical field of flower preservation, in particular to a peony and peony fresh cut flower preservative and a preparation method thereof.
Background
The fresh cut flowers are organs such as branches, leaves, flowers, fruits and the like of the isolated flowers, a series of physiological changes can be generated after the cut flowers are picked, the fresh cut flowers are easy to age and deteriorate and spoil, the loss rate after the picking is about 20%, the fresh cut flowers are ornamental, the life of the bottle-inserted fresh cut flowers is usually only 3-10 days, and the commodity value of the cut flowers is seriously influenced. In order to maintain the best quality of cut flowers after picking, delay aging and resist the abrupt change of external environment, chemical agents can be used for treatment, and the physiological disorder of cut flowers after in vitro is regulated or relieved. The reasonable use of fresh cut flower preservative is very important, and the preservative not only plays roles of sterilization and corrosion prevention, but also can promote the water absorption of flower stems, increase nutrition and prevent petals from falling off, can enlarge flowers, has bright colors, has fresh green leaves and tall and straight stems, obviously improves the quality and commodity value of fresh cut flowers, prolongs the bottle inserting time, and generally prolongs the preservation period by 2-3 times compared with untreated cut flowers.
Peony belongs to fallen leaves and shrubs of Paeoniaceae Paeonia and is one of ten flowers in China. As a rare flower, the peony flowers and concentrates, the flowering period is short, the flowers are large and bright in color, the fragrance is strong, and the market benefit is extremely high. Peony derivative-peony cut flowers, which decay very rapidly after being separated from the parent. The decay of plant isolated organs is mainly affected by several factors: (1) absence of moisture; (2) Organic nutrients, vitamins and mineral elements are not fully supplied; (3) Is damaged by the release of ethylene, whereas peony is more sensitive to ethylene; (4) cut-trimmed mechanical damage; (5) a harmful microbial infection; (6) The change of external environments such as temperature, humidity, illumination, ventilation and the like after the separation; (7) uncontrolled endogenous hormones, and the like. These factors are mutually contributing and constraining. However, if the above conditions are improved, the aging and death processes are delayed to different degrees. The fresh-keeping technology of the peony cut flowers is mastered correctly, so that the ornamental value of the peony cut flowers can be prolonged, and the ornamental effect is enhanced.
Therefore, how to provide a peony fresh cut flower preservative which is nontoxic, economical, convenient and capable of prolonging the ornamental time of cut flowers and a preparation method thereof is a technical problem which needs to be solved by the technicians in the field.
Disclosure of Invention
Therefore, the invention aims to provide the fresh cut flower preservative for the peony and the preparation method thereof, which not only can delay decay of the fresh cut flower of the peony so that the fresh flower has long-time ornamental value, but also is favorable for recycling and does not cause harm to the environment or human body.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a fresh cut flower preservative for peony and paeonia lactiflora comprises the following components: 15-30g/L sucrose, 0.2-0.8g/L boric acid, 0.2-0.8g/L potassium sulfate, 0.2-0.8g/L tartaric acid, 0.1-0.3g/L acanthopanax, 0.04-0.08g/L melatonin, and water as solvent.
Preferably, the peony and peony fresh cut flower preservative comprises the following components: 20-25g/L sucrose, 0.4-0.6g/L boric acid, 0.4-0.6g/L potassium sulfate, 0.4-0.6g/L tartaric acid, 0.1-0.2g/L acanthopanax, 0.05-0.07g/L melatonin, and water as solvent.
Preferably, the peony and peony fresh cut flower preservative comprises the following components: 23g/L sucrose, 0.5g/L boric acid, 0.5g/L potassium sulfate, 0.5g/L tartaric acid, 0.2g/L acanthopanax, 0.06g/L melatonin, and water as solvent.
Among the raw materials, the tartaric acid can purify water quality, so that the water quality is kept clear and transparent; sucrose is used to provide nutritional ingredients; melatonin can promote moisture absorption at cut parts of cut flowers, promote moisture transportation in plant ducts or tube cells, regulate transpiration rate, improve moisture balance in fresh cut flowers, reduce microbial community reproduction, and protect wound parts of cut flowers from being infected by harmful microbial communities; the acanthopanax can enhance the adaptability of the cut flowers to environmental changes after the cut flowers are isolated, and reduce the harm of a large number of free radicals.
The invention also aims at providing a preparation method of the peony fresh cut flower preservative, which comprises the following steps:
(1) Grinding radix Acanthopanacis Senticosi to obtain radix Acanthopanacis Senticosi powder;
(2) Dissolving sucrose in water, heating sucrose solution, adding boric acid, potassium sulfate, tartaric acid, radix Acanthopanacis Senticosi powder and melatonin respectively, and stirring to obtain mixed solution;
(3) And pouring the mixed solution into a steam sterilizing pot, continuously sterilizing for 20-30min, taking out the mixed solution after the sterilization is completed, naturally cooling the mixed solution to room temperature, and packaging the mixed solution to obtain the preservative.
Preferably, the heating temperature in the step (2) is 20-30 ℃ and the stirring speed is 100-120rpm.
Preferably, in the step (3), the sterilization pressure is controlled to be 0.13-0.14MPa, and the sterilization temperature is controlled to be 110-120 ℃.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, acanthopanax and melatonin are combined, and sucrose, boric acid, tartaric acid and potassium sulfate are used in an auxiliary way, so that a fresh-keeping liquid formula capable of realizing a better effect is obtained, and the effects of promoting peony and paeonia lactiflora flowers to open, effectively delaying senescence, inhibiting petals from falling off, inhibiting bacterial growth, promoting flower stems of fresh cut flowers to enlarge, improving stress resistance of the fresh cut flowers and prolonging the transplanting period of the fresh cut flowers are realized.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
A fresh cut flower preservative for peony and paeonia lactiflora comprises the following components: 30g/L sucrose, 0.8g/L boric acid, 0.8g/L potassium sulfate, 0.8g/L tartaric acid, 0.3g/L acanthopanax, 0.08g/L melatonin, and water as solvent.
Example 2
A fresh cut flower preservative for peony and paeonia lactiflora comprises the following components: 15g/L sucrose, 0.2g/L boric acid, 0.2g/L potassium sulfate, 0.2g/L tartaric acid, 0.1g/L acanthopanax, 0.04g/L melatonin, and water as solvent.
Example 3
A fresh cut flower preservative for peony and paeonia lactiflora comprises the following components: 20g/L sucrose, 0.4g/L boric acid, 0.4g/L potassium sulfate, 0.4g/L tartaric acid, 0.1g/L acanthopanax, 0.05g/L melatonin, and water as solvent.
Example 4
A fresh cut flower preservative for peony and paeonia lactiflora comprises the following components: 25g/L sucrose, 0.6g/L boric acid, 0.6g/L potassium sulfate, 0.6g/L tartaric acid, 0.2g/L acanthopanax, 0.07g/L melatonin, and water as solvent.
Example 5
A fresh cut flower preservative for peony and paeonia lactiflora comprises the following components: 23g/L sucrose, 0.5g/L boric acid, 0.5g/L potassium sulfate, 0.5g/L tartaric acid, 0.2g/L acanthopanax, 0.06g/L melatonin, and water as solvent.
Example 6
The preparation method of the peony and peony fresh cut flower preservative according to any one of embodiments 1 to 5 comprises the following steps:
(1) Grinding radix Acanthopanacis Senticosi to obtain radix Acanthopanacis Senticosi powder;
(2) Dissolving sucrose in water, heating sucrose solution to 30deg.C, adding boric acid, potassium sulfate, tartaric acid, radix Acanthopanacis Senticosi powder and melatonin respectively, stirring uniformly at a stirring speed of 120rpm to obtain mixed solution;
(3) Pouring the mixed solution into a steam sterilizing pot, controlling the sterilizing pressure at 0.14MPa, controlling the sterilizing temperature at 120 ℃, continuously sterilizing for 30min, taking out the mixed solution after the completion, naturally cooling to room temperature, and packaging to obtain the preservative.
Example 7
The preparation method of the peony and peony fresh cut flower preservative according to any one of embodiments 1 to 5 comprises the following steps:
(1) Grinding radix Acanthopanacis Senticosi to obtain radix Acanthopanacis Senticosi powder;
(2) Dissolving sucrose in water, heating sucrose solution to 20deg.C, adding boric acid, potassium sulfate, tartaric acid, radix Acanthopanacis Senticosi powder and melatonin respectively, stirring uniformly at a stirring speed of 100rpm to obtain mixed solution;
(3) Pouring the mixed solution into a steam sterilizing pot, controlling the sterilizing pressure at 0.13MPa, controlling the sterilizing temperature at 110 ℃, continuously sterilizing for 20min, taking out the mixed solution after the completion, naturally cooling to room temperature, and packaging to obtain the preservative.
Comparative example 1
A preservative comprises the following components: 23g/L sucrose, 0.5g/L boric acid, 0.5g/L potassium sulfate, 0.5g/L tartaric acid and 0.2g/L acanthopanax, and the solvent is water. The preparation method is the same as in example 6.
Comparative example 2
A preservative comprises the following components: 23g/L sucrose, 0.5g/L boric acid, 0.5g/L potassium sulfate and 0.5g/L tartaric acid, and the solvent is water. The preparation method is the same as in example 6.
Performance testing
Testing of life of cut flower vase of peony by different treatments
The antistaling agent in examples 1-5 (preparation method is example 6) and comparative examples 1-2 were tested with peony petals turning blue and purple, petals going backwards, serious loss of water and wilting, and loss of ornamental value as marks of end of life of the flower arrangement, the environment being natural temperature and natural illumination environment, and the results are shown in table 1:
TABLE 1
From the above, the fresh-keeping liquid formula capable of realizing the better effect is obtained by combining the acanthopanax and the melatonin, and the effects of promoting the opening of the peony flowers, effectively delaying the senescence of the peony, inhibiting the falling of petals and prolonging the cut-off period of the peony flower vase can be realized.
Comparison of flowers and stems of fresh cut flowers of different treatments of Paeonia lactiflora
The maximum diameter of each flower is measured by a cross measurement method with a vernier caliper at a ratio of about 16:00 per day, and the method is repeated twice to obtain an average value. The flower diameter was not measured when half of the number of replicates lost ornamental value, and the test results are shown in Table 2.
Flower diameter variation (%) = (maximum diameter of each flower per day during bottle insertion period)
Average value-initial flower diameter)/initial flower diameter x 100
TABLE 2 flower stem variation (%)
As can be seen from the table, the preservative provided by the invention can promote the increase of the flower stems of fresh cut flowers of paeonia lactiflora, and can still keep larger flower stems in the later stage of bottle insertion.
Comparison of bacterial count in different treated peony fresh cut flower vase solution
The replaced solution is diluted 1000 times, inoculated to beef extract peptone culture medium by a liquid-transferring gun, placed in a constant temperature incubator at 37 ℃ for culturing for 18-24 hours, taken out, replaced with preservative for 1 time every 5 days, and the bacterial number in the replaced bottle insert is observed and counted, and the result is shown in Table 3.
TABLE 3 Table 3
The table shows that the antistaling agent provided by the invention has more prominent antibacterial effect after the acanthopanax and melatonin are added.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The fresh cut flower preservative for peony and paeonia lactiflora is characterized by comprising the following components: 15-30g/L sucrose, 0.2-0.8g/L boric acid, 0.2-0.8g/L potassium sulfate, 0.2-0.8g/L tartaric acid, 0.1-0.3g/L acanthopanax, 0.04-0.08g/L melatonin, and water as solvent.
2. The peony and peony fresh cut flower preservative according to claim 1, which is characterized by comprising the following components: 20-25g/L sucrose, 0.4-0.6g/L boric acid, 0.4-0.6g/L potassium sulfate, 0.4-0.6g/L tartaric acid, 0.1-0.2g/L acanthopanax, 0.05-0.07g/L melatonin, and water as solvent.
3. The peony and peony fresh cut flower preservative according to claim 1, which is characterized by comprising the following components: 23g/L sucrose, 0.5g/L boric acid, 0.5g/L potassium sulfate, 0.5g/L tartaric acid, 0.2g/L acanthopanax, 0.06g/L melatonin, and water as solvent.
4. A method for preparing the peony and peony fresh cut flower preservative according to any one of claims 1-3, which is characterized by comprising the following steps:
(1) Grinding radix Acanthopanacis Senticosi to obtain radix Acanthopanacis Senticosi powder;
(2) Dissolving sucrose in water, heating sucrose solution, adding boric acid, potassium sulfate, tartaric acid, radix Acanthopanacis Senticosi powder and melatonin respectively, and stirring to obtain mixed solution;
(3) Sterilizing the mixed solution for 20-30min, taking out, naturally cooling to room temperature, and packaging to obtain the preservative.
5. The method for preparing peony and peony fresh cut flower preservative according to claim 4, wherein the heating temperature in the step (2) is 20-30 ℃, and the stirring speed is 100-120rpm.
6. The method for preparing fresh cut flower preservative of peony and paeonia as claimed in claim 4, wherein the sterilization pressure in the step (3) is controlled to be 0.13-0.14MPa, and the sterilization temperature is controlled to be 110-120 ℃.
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