CN104651056A - Method for preparing tea tree flower essential oil - Google Patents
Method for preparing tea tree flower essential oil Download PDFInfo
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- CN104651056A CN104651056A CN201510108548.2A CN201510108548A CN104651056A CN 104651056 A CN104651056 A CN 104651056A CN 201510108548 A CN201510108548 A CN 201510108548A CN 104651056 A CN104651056 A CN 104651056A
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- 235000009024 Ceanothus sanguineus Nutrition 0.000 title 1
- 240000003553 Leptospermum scoparium Species 0.000 title 1
- 235000015459 Lycium barbarum Nutrition 0.000 title 1
- 239000000341 volatile oil Substances 0.000 title 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/022—Refining
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/027—Recovery of volatiles by distillation or stripping
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a method for preparing tea tree flower essential oil. The method comprises the following steps: firstly, preparing a tea tree flower raw material into an sizing agent, adding a composite enzyme system for enzymolysis on the sizing agent so as to obtain first slurry; secondly, adding a defoaming agent into the first slurry so as to obtain second slurry; finally conveying the second slurry to a rotational conical distillation column for enhancing the fragrance, collecting a tea tree flower fragrance extract, and further separating by using an oil-water separator, thereby obtaining the tea tree flower essential oil. The composite enzyme system is adopted to treat tea tree flowers, so that the content of the effective fragrance component in the tea tree flowers is remarkably increased, release of precursor substances of the tea tree flower fragrance is promoted, the tea tree flower aromatic substances can be efficiently and comprehensively recycled by using SCC equipment, the yield of tea tree flower essential oil is greatly increased, and the natural flavor of the tea tree flower essential oil is effectively maintained.
Description
Technical field
The present invention relates to plants essential oil preparation method, especially a kind of preparation method of essential oil of the flower of Camellia sinensis.
Background technology
Research in recent years shows, Tea Flower is similar to the chemical composition of tea fresh leaves, has wide value of exploiting and utilizing.It is also a megatrend that essential oil of the flower of Camellia sinensis extracts application; research shows; essential oil of the flower of Camellia sinensis have anti-oxidant, antibacterial, protection skin, the anti-ageing effect of waiting for a long time; both can directly use as high-end natural essential oil; there is unique fragrance and local flavor, natural plant extracts can be made again and be widely used in food, makeup, medicine and other fields.
At present, traditional essential oil of the flower of Camellia sinensis extracting method mainly contains distillation method, extraction, milling process, absorption method, crystallization process etc.In recent years, some new working methods have been there is, as supercritical CO
2the technology such as extraction, microwave extracting, ultrasonic extraction, membrane sepn, post separation, molecular distillation, these new technologies compensate for the shortcomings such as the fragrance loss that efficiency is low, energy consumption is high, heating brings in traditional method to a certain extent, but still exist a lot of not enough, particularly in essential oil yield and keep in the problems such as fresh natural perfume plant original flavor.Therefore, how on existing basis, improve the yield of camellia essential oil further and keep the technology of natural essence fragrance component to greatest extent, becoming the study hotspot in natural perfume field both at home and abroad at present.
Beta-glucosidase, also known as β-D-Glucose glycosides glucose hydrolysis enzyme, it can be hydrolyzed the β-D-Glucose glycosidic bond being incorporated into end irreducibility, produces β-D-Glucose and corresponding aglucon simultaneously.The formation of beta-glucosidase to fragrant substance in tea is extremely important.The separation and purification of beta-glucosidase in tealeaves, characteristic research and exogenous enzyme are carried out tea fragrance and are improved test and also launch.Tea fragrance improves test-results and shows, alcoholic aroma is as aromatic alcohol and oxide compound thereof, and the formation of vernol, Geraniol and phenylethyl alcohol etc. and the activity of beta-glucosidase have close relationship.Along with the rising of enzymic activity, the terpene compound that vernol, Geraniol, aromatic alcohol oxide compound etc. are present in tealeaves with glycoside forms increases all to some extent; Aliphatics, terpenes or aromatic series fragrance are also obvious than high before enzymolysis.Zhejiang University slaughter young English etc. in dragon well green tea making processes with foreign aid β-fresh leaf of D-Glucose glycosides ferment treatment, spread leaf and record the components such as Geraniol, phantol, nerolidol and discharge in a large number.
Rotating cone column technology (Spinning Cone Column, SCC), also known as rotating cone scapus distillation method (Spinning Cone Column Distillation), it is a kind of liquid-gas contact distillation technology of efficient uniqueness, have the volatile matter extracted the most complete, the soluble substance extracted is maximum; Mass-transfer efficiency high (for packed column is high 4 ~ 5 times), is applicable to the material that viscosity (20000cps) is large; Distillation time short (residence time of raw material is lower than 20s), temperature-controllable scope wide (30 ~ 120 DEG C), can non-stop run; Running cost is low, and pressure drop is little, strong adaptability (input speed variable range is wide) and possess the advantages such as CIP incumbent firms ability.These advantages make it when processing the aroma component of thermo-sensitivity, it can be kept natural flavour mountaineous, just modern natural perfume processing demand for development can be met, at present, SCC technology is produced fruity and coffee natural essence spices by more than 20 countries use, but due to reasons such as technical know-hows, the domestic application of the introduction to this technology is almost blank so far, and the production Cha Fen company only having some large-scale introduces SCC extraction equipment.
For a long time, people improve quality and the yield of plants essential oil always in the various method of trial, such as by adding, salt is rubbed Tea Flower material, the pre-treatment Tea Flower such as compression, improves the method for essential oil of the flower of Camellia sinensis yield in conjunction with organic solvent-extracted mode; The Tea Flower aromatoising substance of different boiling is collected respectively, to obtain more complete essential oil of the flower of Camellia sinensis fragrance by the mode of segmentation molecular distillation; Static combination subcritical carbon dioxide method is utilized effectively to retain in Tea Flower main aroma composition etc.But the problems such as essential oil yield is low, running cost is high, organic reagent pollution that these methods still exist.
Summary of the invention
In order to solve above-mentioned existing issue, the present invention utilizes multiply anchor-pile pre-treatment Tea Flower, obtains a kind of preparation method of essential oil of the flower of Camellia sinensis, and this preparation method can significantly improve effective aroma component content in Tea Flower, promotes what Tea Flower Aroma precursor material discharged.
The technical solution adopted in the present invention is a kind of preparation method of essential oil of the flower of Camellia sinensis, comprises the following steps:
A, Tea Flower raw material is prepared into original slurry material, adds multiply anchor-pile and enzymolysis is carried out to original slurry material obtain the first slurry;
B, in the first slurry, add defoamer obtain the second slurry;
C, by the second slurry transferring to rotating cone distillation tower Titian, collect Tea Flower fragrance extraction liquid, then be separated described extraction liquid by water-and-oil separator and obtain essential oil of the flower of Camellia sinensis.
As preferably, in described original slurry material, the ratio of Tea Flower and water is 1:5 ~ 20.
As preferably, described Tea Flower is the dried flower of tree plant flowers or drying.
As preferably, described multiply anchor-pile comprises beta-glucosidase, cellulase and polygalacturonase.
As preferably, beta-glucosidase in described multiply anchor-pile: cellulase: the ratio of polygalacturonase is: 1:0.2 ~ 1:0.2 ~ 1.
As preferably, the consumption of described multiply anchor-pile is 40 ~ 80U/kg original slurry material.
As preferably, the pH during slurry of enzymolysis processing described in step a is 3.0 ~ 6.5; Temperature is 30 ~ 60 DEG C; Enzymolysis time is 2 ~ 8h.
As preferably, described defoamer is one or more in polyoxyethylene glycol, organo-siloxane, phenylethyl alcohol oleic acid ester, Laurate alcohol ester phenylacetate, dimethyl silicone oil, silicone emulsion, the fatty acid ester compounded thing of higher alcohols and GPE20 ~ 60.
As preferably, the consumption of described defoamer is 0.5 ~ 2 ‰.
As preferably, the operational condition of described rotating cone distillation tower (SCC) equipment is: material feeding flow velocity: 300 ~ 600L/h; Rotating cone rotating speed: 200 ~ 500r/min; Vacuum tightness: 20 ~ 70kPa; Steam flow: 20 ~ 60kg/h; One-level condensing temperature: 20 ~ 35 DEG C; B-grade condensation temperature: 2 ~ 10 DEG C.
The present invention has following beneficial effect:
1) whole extraction flow process is a physical process, does not introduce harmful organic solvent, can not produce the problem such as dissolvent residual and environmental pollution.
2) extract yield high, essential oil yield is up to 0.2% ~ 1%.Adopt Tea Flower fragrance prerequisite substance release multiply anchor-pile pre-treatment Tea Flower feed liquid, greatly improve the formation of Tea Flower aroma component, and make material film forming on the centrum of high speed rotating by SCC equipment, the design of multilayer centrum expands the mass transfer area of material and steam, repeated multiple times material to be distilled, under the distillation condition of low-temp low-pressure, greatly reduce the aroma component loss that thermo-sensitivity is strong, content is low, efficiently, Tea Flower aroma substance is reclaimed fast.Compare traditional essential oil preparation method, in present method gained essential oil of the flower of Camellia sinensis, key aroma material relative content all increases.
3) replaced the mode of conventional organic solvent lixiviate by rotating cone distillation, efficiently, comprehensively reclaim Tea Flower aromatoising substance further, substantially increase the yield of essential oil of the flower of Camellia sinensis, effectively maintain the natural flavour mountaineous of essential oil of the flower of Camellia sinensis; Preferably resolve the impact on essential oil purity such as pigment in essential oil of the flower of Camellia sinensis, wax, pesticide residue, ensure that the quality of essential oil.
Embodiment
Below in conjunction with specific embodiment, flesh and blood of the present invention is further elaborated.
Embodiment 1:
(1) take camellia dried flower and (derive from the white camellia in Anji, Tea Flower in following examples is the white camellia in Anji) 10kg, pulverizer is pulverized, by Tea Flower: water is that the amount of 1:10 adds 100L distilled water, and Sodium phosphate dibasic-phosphate sodium dihydrogen buffer solution adjusted to ph is 4.0; Heating temperatures to 45 DEG C; In beta-glucosidase: cellulase: polygalacturonase is that the multiply anchor-pile that the ratio of 1:0.5:0.5 adds 60U/kg feed liquid carries out enzymolysis 2h to Tea Flower material;
(2) slurry complete for above-mentioned enzymolysis is transferred to rotating cone distillation tower (SCC), and in slurry, adds the polyoxyethylene glycol of 0.5 ‰;
(3) SCC operation of equipment condition is: material feeding flow velocity: 350L/h; Rotating cone rotating speed is: 200r/min; Vacuum tightness is: 40kPa; Steam flow is: 25kg/h; One-level condensing temperature is: 30 DEG C; B-grade condensation temperature is: 5 DEG C; Distill, reclaim to obtain Tea Flower fragrance extraction liquid;
(4) essential oil of the flower of Camellia sinensis 92g is obtained by water-and-oil separator separation.
Embodiment 2:
(1) camellia fresh flower 10kg is taken, by Tea Flower: water is that the amount of 1:5 adds 50L distilled water, slurrying, and Sodium phosphate dibasic-phosphate sodium dihydrogen buffer solution adjusted to ph is 4.5; Heating temperatures to 45 DEG C; In beta-glucosidase: cellulase: polygalacturonase is that the multiply anchor-pile that the ratio of 1:0.5:0.5 adds 60U/kg feed liquid carries out enzymolysis 2h to Tea Flower material;
(2) slurry complete for above-mentioned enzymolysis is transferred to rotating cone distillation tower (SCC), and in slurry, adds the polyoxyethylene glycol of 0.5 ‰;
(3) SCC operation of equipment condition is: material feeding flow velocity: 350L/h; Rotating cone rotating speed is: 200r/min; Vacuum tightness is: 40kPa; Steam flow is: 25kg/h; One-level condensing temperature is: 30 DEG C; B-grade condensation temperature is: 5 DEG C; Distill, reclaim to obtain one-level condensation Tea Flower fragrance extraction liquid and B-grade condensation Tea Flower fragrance extraction liquid;
(4) essential oil of the flower of Camellia sinensis 25g is obtained by water-and-oil separator separation.
Embodiment 3:
(1) take camellia dried flower 10kg, pulverizer is pulverized, by Tea Flower: water is that the amount of 1:20 adds 200L distilled water, and Sodium phosphate dibasic-phosphate sodium dihydrogen buffer solution adjusted to ph is 5.0; Heating temperatures to 50 DEG C; In beta-glucosidase: cellulase: polygalacturonase is that the multiply anchor-pile that the ratio of 1:0.5:0.2 adds 40U/kg feed liquid carries out enzymolysis 2h to Tea Flower material;
(2) slurry complete for above-mentioned enzymolysis is transferred to rotating cone distillation tower (SCC), and in slurry, adds the GPE20 of 0.5 ‰;
(3) SCC operation of equipment condition is: material feeding flow velocity: 500L/h; Rotating cone rotating speed is: 350r/min; Vacuum tightness is: 50kPa; Steam flow is: 30kg/h; One-level condensing temperature is: 30 DEG C; B-grade condensation temperature is: 5 DEG C; Distill, reclaim to obtain Tea Flower fragrance extraction liquid;
(4) essential oil of the flower of Camellia sinensis 76g is obtained by water-and-oil separator separation.
Embodiment 4:
(1) take camellia dried flower 10kg, pulverizer is pulverized, by Tea Flower: water is that the amount of 1:10 adds 100L distilled water, and Sodium phosphate dibasic-phosphate sodium dihydrogen buffer solution adjusted to ph is 3.5; Heating temperatures to 55 DEG C; In beta-glucosidase: cellulase: polygalacturonase is that the multiply anchor-pile that the ratio of 1:1:1 adds 60U/kg feed liquid carries out enzymolysis 4h to Tea Flower material;
(2) slurry complete for above-mentioned enzymolysis is transferred to rotating cone distillation tower (SCC), and in slurry, adds the GPE60 of 0.5 ‰;
(3) SCC operation of equipment condition is: material feeding flow velocity: 400L/h; Rotating cone rotating speed is: 400r/min; Vacuum tightness is: 50kPa; Steam flow is: 40kg/h; One-level condensing temperature is: 30 DEG C; B-grade condensation temperature is: 5 DEG C; Distill, reclaim to obtain Tea Flower fragrance extraction liquid;
(4) essential oil of the flower of Camellia sinensis 94g is obtained by water-and-oil separator separation.
Embodiment 5:
(1) take camellia dried flower 10kg, pulverizer is pulverized, by Tea Flower: water is that the amount of 1:15 adds 150L distilled water, and Sodium phosphate dibasic-phosphate sodium dihydrogen buffer solution adjusted to ph is 6.0; Heating temperatures to 50 DEG C; In beta-glucosidase: cellulase: polygalacturonase is that the multiply anchor-pile that the ratio of 1:1:0.3 adds 60U/kg feed liquid carries out enzymolysis 2h to Tea Flower material;
(2) slurry complete for above-mentioned enzymolysis is transferred to rotating cone distillation tower (SCC), and in slurry, adds the organo-siloxane of 0.5 ‰;
(3) SCC operation of equipment condition is: material feeding flow velocity: 450L/h; Rotating cone rotating speed is: 450r/min; Vacuum tightness is: 50kPa; Steam flow is: 50kg/h; One-level condensing temperature is: 30 DEG C; B-grade condensation temperature is: 5 DEG C; Distill, reclaim to obtain Tea Flower fragrance extraction liquid;
(4) essential oil of the flower of Camellia sinensis 69g is obtained by water-and-oil separator separation.
Embodiment 6:
(1) camellia fresh flower 10kg is taken, by Tea Flower: water is that the amount of 1:10 adds 100L distilled water, slurrying, and Sodium phosphate dibasic-phosphate sodium dihydrogen buffer solution adjusted to ph is 6.5; Heating temperatures to 50 DEG C; In beta-glucosidase: cellulase: polygalacturonase is that the multiply anchor-pile that the ratio of 1:1:1 adds 80U/kg feed liquid carries out enzymolysis 3h to Tea Flower material;
(2) slurry complete for above-mentioned enzymolysis is transferred to rotating cone distillation tower (SCC), and in slurry, adds the organo-siloxane of 0.5 ‰;
(3) SCC operation of equipment condition is: material feeding flow velocity: 350L/h; Rotating cone rotating speed is: 350r/min; Vacuum tightness is: 50kPa; Steam flow is: 35kg/h; One-level condensing temperature is: 30 DEG C; B-grade condensation temperature is: 5 DEG C; Distill, reclaim to obtain Tea Flower fragrance extraction liquid;
(4) essential oil of the flower of Camellia sinensis 33g is obtained by water-and-oil separator separation.
Whole extraction flow process is a physical process, does not introduce harmful organic solvent, can not produce the problem such as dissolvent residual and environmental pollution; Extraction yield is high, and essential oil yield is up to 0.2% ~ 1%.Adopt Tea Flower fragrance prerequisite substance release multiply anchor-pile pre-treatment Tea Flower feed liquid, greatly improve the formation of Tea Flower aroma component, and make material film forming on the centrum of high speed rotating by SCC equipment, the design of multilayer centrum expands the mass transfer area of material and steam, repeated multiple times material to be distilled, under the distillation condition of low-temp low-pressure, greatly reduce the aroma component loss that thermo-sensitivity is strong, content is low, efficiently, Tea Flower aroma substance is reclaimed fast.Compare traditional essential oil preparation method, in present method gained essential oil of the flower of Camellia sinensis, key aroma material relative content all increases (referring to table 1); Replaced the mode of conventional organic solvent lixiviate by rotating cone distillation, efficiently, comprehensively reclaim Tea Flower aromatoising substance further, substantially increase the yield of essential oil of the flower of Camellia sinensis, effectively maintain the natural flavour mountaineous of essential oil of the flower of Camellia sinensis; Preferably resolve the impact on essential oil purity such as pigment in essential oil of the flower of Camellia sinensis, wax, pesticide residue, ensure that the quality of essential oil; Therefore of the present invention be a kind of essential oil of the flower of Camellia sinensis preparation method of efficient, high-quality, environmental protection, gained essential oil can be applicable in the middle of food, makeup, daily use chemicals spices and tobacco industry.
The essential oil of the flower of Camellia sinensis aroma component composition of table 1 different process
Above-mentioned specific embodiment is only used to explain bright the present invention; but not be that enforcement of the present invention and protection domain are limited; in the protection domain of aim of the present invention and claim; to any replacement and change of not paying creative work that the present invention makes, all protection scope of the present invention will be fallen into.
Claims (10)
1. a preparation method for essential oil of the flower of Camellia sinensis, is characterized in that, comprises the following steps:
Tea Flower raw material is prepared into original slurry material, adds multiply anchor-pile and enzymolysis is carried out to original slurry material obtain the first slurry; In the first slurry, add defoamer obtain the second slurry; By the second slurry transferring to rotating cone distillation tower Titian, collect Tea Flower fragrance extraction liquid, then be separated described extraction liquid by water-and-oil separator and obtain essential oil of the flower of Camellia sinensis.
2. the preparation method of a kind of essential oil of the flower of Camellia sinensis as claimed in claim 1, is characterized in that, in described original slurry material, the ratio of Tea Flower and water is 1:5 ~ 20.
3. the preparation method of a kind of essential oil of the flower of Camellia sinensis as claimed in claim 2, is characterized in that, described Tea Flower is the dried flower of tree plant flowers or drying.
4. the preparation method of a kind of essential oil of the flower of Camellia sinensis as claimed in claim 1, is characterized in that, described multiply anchor-pile comprises beta-glucosidase, cellulase and polygalacturonase.
5. the preparation method of a kind of essential oil of the flower of Camellia sinensis as claimed in claim 4, is characterized in that, beta-glucosidase in described multiply anchor-pile: cellulase: the ratio of polygalacturonase is: 1:0.2 ~ 1:0.2 ~ 1.
6. the preparation method of a kind of essential oil of the flower of Camellia sinensis as claimed in claim 4, is characterized in that, the consumption of described multiply anchor-pile is 40 ~ 80U/kg original slurry material.
7. the preparation method of a kind of essential oil of the flower of Camellia sinensis as described in as arbitrary in claim 1 to 6, it is characterized in that, the pH described in step a during enzymolysis processing is 3.0 ~ 6.5; Temperature is 30 ~ 60 DEG C; Enzymolysis time is 2 ~ 8h.
8. the preparation method of a kind of essential oil of the flower of Camellia sinensis as described in as arbitrary in claim 1 to 6, it is characterized in that, described defoamer is one or more in polyoxyethylene glycol, organo-siloxane, phenylethyl alcohol oleic acid ester, Laurate alcohol ester phenylacetate, dimethyl silicone oil, silicone emulsion, the fatty acid ester compounded thing of higher alcohols and GPE20 ~ 60.
9. the preparation method of a kind of essential oil of the flower of Camellia sinensis as described in as arbitrary in claim 1 to 6, it is characterized in that, the consumption of described defoamer is 0.5 ~ 2 ‰.
10. the preparation method of a kind of essential oil of the flower of Camellia sinensis as described in as arbitrary in claim 1 to 6, it is characterized in that, the operational condition of described rotating cone distillation column equipment is: material feeding flow velocity: 300 ~ 600L/h; Rotating cone rotating speed: 200 ~ 500r/min; Vacuum tightness: 20 ~ 70kPa; Steam flow: 20 ~ 60kg/h; One-level condensing temperature: 20 ~ 35 DEG C; B-grade condensation temperature: 2 ~ 10 DEG C.
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Cited By (10)
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| CN105001993A (en) * | 2015-07-17 | 2015-10-28 | 王再青 | Method for increasing extraction ratio of Sandalwood essential oil |
| CN105779130A (en) * | 2016-04-29 | 2016-07-20 | 湖北中烟工业有限责任公司 | Method for preparing marigold volatile oil by fermentation and application of marigold volatile oil |
| CN105907473A (en) * | 2016-05-28 | 2016-08-31 | 黄宇松 | Rhododendra essential oil extraction method |
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| CN106811305A (en) * | 2017-03-10 | 2017-06-09 | 浙江省农业科学院 | A kind of Anji white tea fresh tea spends the extracting method of natural aromatic thing |
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| CN112402326A (en) * | 2020-12-18 | 2021-02-26 | 南京天香菊生物技术有限公司 | Tianxiangju hydrolat and preparation method thereof |
| CN114145375A (en) * | 2021-12-17 | 2022-03-08 | 中华全国供销合作总社杭州茶叶研究所 | Preparation method and application of tea aroma extract |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001993A (en) * | 2015-07-17 | 2015-10-28 | 王再青 | Method for increasing extraction ratio of Sandalwood essential oil |
| CN105779130A (en) * | 2016-04-29 | 2016-07-20 | 湖北中烟工业有限责任公司 | Method for preparing marigold volatile oil by fermentation and application of marigold volatile oil |
| CN105907473A (en) * | 2016-05-28 | 2016-08-31 | 黄宇松 | Rhododendra essential oil extraction method |
| CN106398873A (en) * | 2016-12-09 | 2017-02-15 | 宜春元博山茶油科技农业开发有限公司 | Preparation method of tea flower essential oil |
| CN106811305A (en) * | 2017-03-10 | 2017-06-09 | 浙江省农业科学院 | A kind of Anji white tea fresh tea spends the extracting method of natural aromatic thing |
| CN107686773A (en) * | 2017-08-04 | 2018-02-13 | 西南林业大学 | A kind of method that Rosemary Oil and antioxidant are extracted from rosemary |
| CN107686773B (en) * | 2017-08-04 | 2021-05-07 | 西南林业大学 | A method for extracting rosemary essential oil and antioxidants from rosemary |
| CN109566815A (en) * | 2019-01-18 | 2019-04-05 | 浙江茶语生物科技有限公司 | A kind of preparation method of stable state water-soluble white tea flower beverage |
| CN110923066A (en) * | 2019-12-11 | 2020-03-27 | 恒枫食品科技有限公司 | Method for preparing aroma extracting solution of spring tea |
| CN112402326A (en) * | 2020-12-18 | 2021-02-26 | 南京天香菊生物技术有限公司 | Tianxiangju hydrolat and preparation method thereof |
| CN114145375A (en) * | 2021-12-17 | 2022-03-08 | 中华全国供销合作总社杭州茶叶研究所 | Preparation method and application of tea aroma extract |
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