CN106811305A - A kind of Anji white tea fresh tea spends the extracting method of natural aromatic thing - Google Patents
A kind of Anji white tea fresh tea spends the extracting method of natural aromatic thing Download PDFInfo
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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
- C11B9/025—Recovery by solvent extraction
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Abstract
The invention discloses the extracting method that a kind of Anji white tea fresh tea spends natural aromatic thing, it is comprised the following steps：(1) 22 ± 2 DEG C of temperature is moved to after Anji white tea petal is divided, in the incubator or greenhouse of relative humidity 80 ± 5%, in being cultivated to flowering under half-light or dim light；(2) open flower is collected in batches, flower is placed in carries out shake extraction in the extractor equipped with extract solution, after extract solution filter-cloth filtering, obtain final product Anji white tea camellia extract solution.Equipment needed for whole process of the present invention is simple, and operation is simple, low production cost, extracts the natural volatility flower aroma substance of most of Anji white tea camellia, and product has good fragrance preservation effect.
Description
Technical field
The present invention relates to a kind of extracting method, the extraction side of natural aromatic thing is spent more particularly, to a kind of Anji white tea fresh tea
Method.
Background technology
Tea tree, original name：Tea (Camellia sinensis (L.) O.Ktze.), originates from southwest China.Plant classification
Upper is Theaceae, Camellia.Tea Flower axillary, general petal is white, pollen yellow to golden yellow, anthocaulus 5 millimeter long,
Bract easily falls；Sepal 5；5 or so, petal, 1.3 cms long；Stamen 10 millimeter long, 1-2 millimeters of base portion adhesion；
The close raw white hair of ovary；Style splits without hair, tip 3, sliver 3 millimeter long.In 2 months October at florescence to next year, capsule 3 is spherical or 1-
2 is spherical, 1.2 cm high, has seed 1-2 per ball.The seed of tea tree can extract oil, and benevolence oil content is 20% or so.
Guard to calculate, the annual production of China's tree plant flowers more than 8,000,000 tons, and be it is a kind of need not specially cultivate it is renewable
Resource.
The bud-leaf of tea tree makees beverage for tea making, be consumption it is most wide, by it has been recognized that optimal drink.The nutrition of Tea Flower
Composition is close with tealeaves, and simply the content of various materials is different, there is larger difference.Albumen and glucide content in Tea Flower
Higher than bud-leaf, especially aromatic substance apparently higher than bud-leaf, so, Tea Flower is that a kind of precious natural compounding type is former
Material.The tea tree flower prod or intermediate feed that can be developed are very more, such as Tea Polyphenols, tea polysaccharide, albumen powder, SOD, natural flower aroma
Isoreactivity material, can apply, with good battalion in the products such as food, beverage, daily cosmetics, women and children's amenities
Foster, health care and skin sparing function.Tea Flower has the fragrance of a flower for allowing people to please, but the fragrance of a flower of most of tea tree breeds is partially dense, has
A kind of excessively strong and pungent sensation, as cosmetics fragrance, it appears that unsuitable Asian.Current common tea tree breed tea tree
Colored fragrance component has certain report, but is all the measure composition after being refined into essential oil, aliphatic alcohol, aldehyde, ketone, fragrance
Race's alcohol, aldehyde, ketone and terpene alcohols compound constitute the odor type of essential oil of the flower of Camellia sinensis, wherein benzaldehyde, acetophenone, nerol
Relative amount is especially high.
In tea market, there is the tealeaves of a class entitled " white tea ", be the one kind in Chinese six big teas, be in fact common
A kind of tea product that tealeaves is processed by slight zymotechnique.Anji white tea is a tea tree breed for natural variation,
Because Chlorophyll synthesis pathway gene variation make tealeaves blade white, and Anji white tea product be green tea processing technology make and
A kind of tea product for coming, is not belonging to fermented tea, belongs to green tea.The characteristics of Anji white tea tealeaves be light taste, temperature and it is graceful,
It is referred to as " Ms's tea " in locality, the tea tree breed has turned into preciousness, application value and benefit natural variation very high
Tea tree breed.Equally, compared with common tea tree breed, the Tea Flower of Anji white tea also has its special phenotype, in same cultivation
Train and cut and cut down under management condition, the camellia quantity of Anji white tea is significantly more than common variety (such as Dragon Well tea series of products), and product is
1.5 times of common variety.The fragrance of camellia is very unique, and different from common variety, its fragrance delicate fragrance band is sweet, light graceful, temperature
Without thorn.So, Anji white tea camellia is a kind of rare resources for extracting cosmetics natural flavor.
It is 120 days (being longer than common variety, about 100 days) that Anji white tea is the time from bud differentiation to first flower, from first flower to
The whole time spent is 85 days (being longer than common variety, about 70 days), but it is 5 days that each was spent from the time showed money or valuables one carries unintentionally to standard-sized sheet, (is shorter than
Common variety, about 2-5 days), therefore the synthesis of the inclusion of Anji white tea camellia and integration time are long, quality better.However, from tea tree
Growth and physiological requirement are seen, because colored quantity is more, flowering time is long, the nutrition of consumption also unnecessary common variety is unfavorable for tea
The yield and quality of leaf.In addition, on the place of high humidity or rainy day, Anji white tea camellia can be attached to tea leaf after withering
On, wither camellia mouldy rear there is a possibility that tea tree bacterial infection venereal disease does harm to.Due to never having Anji white tea flower exploitation
Technology, most camellias are all allowed to run its course, and waste surprising.In order to obtain the tealeaves of high yield, some tea places even with
Spray plant growth regulator spends shedding to remove, and causes the serious wasting of resources, also affects the quality of tealeaves.So, pass through
Anji white tea camellia is plucked, is comprehensively utilized, the comprehensive benefit of plantation Anji white tea can be improved, while tea can also be improved
The yield and quality of leaf.
White tea elite stand is located at height above sea level 800m Anji County Tian Huangping great small streams villages of Zhejiang Province high for Anji, and the active by 50 years is numerous
Grow and promote, Anji County cultivated area is up to 170,000 mu, it has also become " the golden business card " of Anji County.Area bag is planted beyond Anji County
Include on Jiangxi Province Ji'an, have mercy on, Zhengan County of Guizhou Province, Jiangsu Province Nanjing, Danyang, Henan Province Guanshan Mountain, Tongbai, Chongqing City Fuling, Sichuan
Province Qionglai, Hongya etc..The yield of Anji white tea flower is very big.
But the utilization now for Anji white tea flower there is problems：
(1) the Storage period time of almost all of fresh flower is all very short, and harvesting, transport, storage of flower etc. are problematic in that,
Difficulty is brought to extraction fragrance of a flower material or other benefit materials from fresh flower.The Storage period of Tea Flower is also very of short duration, such as plucks
Fresh flower after in full bloom, camellia is stored 1 day, is just only remained a small amount of fragrance and is discharged, and starts to addle after 2 days, it is impossible to utilize, and is plucked
During such as by fresh flower stack up, rates of spoilage is faster.And if fresh flower first is made into dried flower, no matter with what drying side
Method, the fragrance of most of flower variety is all released, almost without natural Volatile infochemicals in dried flower；
(2) aroma volatile of tea tree bud-leaf and the various tea products of processing has more research, common tea tree
Colored composition and the composition of volatile aroma also have been reported that, but the measure of Tea Flower volatile aroma is first to be made essential oil, then survey
Determine result obtained from the volatile ingredient in essential oil, be not to extract the result directly determined after fragrance.For Anji white tea,
The composition of camellia has been determined, but the composition of volatile aroma is still rarely reported, and fragrance component is not very clear, so, shortage is opened
Send out the basis of Anji white tea Volatile infochemicals；
(3) enfleurage technology never has good method, and the material for mainly constituting fragrance has different things
Reason and chemical characteristic, show as the different solubility in grease, water and organic solvent.Such as make extract solution with water, can only obtain
Water miscible aroma substance；Make extract solution with grease, can only obtain liposoluble substance；Make extract solution with organic solvent, can only obtain
To the aroma substance for being dissolved in organic solvent.And if with mixed extract, different extract solutions is insoluble each other, just cannot
It is used in mixed way, such as grease and water.Had using more method at present：1. the way of distillation：Flower is placed on into boiling water the inside to boil, middle band is spent
The grease of fragrance is escaped with vapor, and steam is condensed into water, and grease just floats waterborne in being condensed into, collected.This side
What method was obtained is sesame oil, mainly oil substances, and some aroma substances cannot be collected into.2. Solvent Extract methods are used, is used
The characteristics of most of aroma substance is dissolved in organic solvent (such as ether), organic solvent is immersed by flower, and allowing aroma substance to enter has
Machine solvent, by the lower boiling principle of organic solvent, vapors away organic solvent, obtains a kind of " congealing " material of half solidification, then
Dissolved with alcohol, essential oils are obtained after volatilization alcohol, be referred to as essence.This method yield is very low, and extraction step is numerous
Miscellaneous, some aroma substances cannot also be collected into.3. milling process：This method is suitable for containing lipid phase flower high, and uncomfortable
Close fresh Tea Flower.
The content of the invention
The present invention is to solve the above mentioned problem existing for the extractive technique of the Anji white tea flower of prior art, there is provided
Equipment is simple needed for a kind of, and operation is simple, low production cost, extracts the recovery rate of volatile materials Anji white tea fresh tea flower high
The extracting method of natural aromatic thing.
To achieve these goals, the present invention uses following technical scheme：
A kind of Anji white tea fresh tea spends the extracting method of natural aromatic thing, and it is comprised the following steps：
(1) 22 ± 2 DEG C of temperature, the incubator or greenhouse of relative humidity 80 ± 5% are moved to after Anji white tea petal is divided
It is interior, in being cultivated to flowering under half-light or dim light.Petal picks up from not yet open, health, luxuriant body and determines to open for second day greatly, substantially
Put, transport is divided in frame to interior after harvesting.By controlling temperature, humidity and light condition so that petal opening, can guarantee that
The quality of camellia.
(2) open flower is collected in batches, flower is placed in carries out shake extraction in the extractor equipped with extract solution, extract
After liquid filter-cloth filtering, Anji white tea camellia extract solution is obtained final product.
Preferably, in step (1), incubation time is 12~24h.
Preferably, in step (2), flower is (1~3) with the mass ratio of extract solution：10.
Preferably, the extract solution is glycerine water solution that mass concentration is 50~60%.Using distilled water diluting
Used as extract solution, glycerine is food grade glycerin to glycerine, can be used for the fields such as cosmetics, food, and glycerine of the invention extracts liquid energy
The natural volatility flower aroma substance of most of Anji white tea camellia is extracted, and with good fragrance preservation effect, mass concentration
Control is 50~60%, and recovery rate is high.
Preferably, in step (2), shake speed is 150~180 turns/min.
Preferably, in step (2), extraction time at least 3~5h.
Therefore, the present invention has the advantages that：
(1) 22 ± 2 DEG C of temperature, the incubator or greenhouse of relative humidity 80 ± 5% are moved to after Anji white tea petal is divided
It is interior, in being cultivated to flowering under half-light or dim light, by controlling temperature, humidity and light condition so that petal is opened, it is ensured that
The quality of camellia；
(2) using the glycerine of distilled water diluting as extract solution, most of Anji natural volatility of white tea camellia can be extracted
Flower aroma substance, and with good fragrance preservation effect, mass concentration is controlled 50~60%, and recovery rate is high；
(3) equipment needed for whole process is simple, and operation is simple, low production cost.
Specific embodiment
With reference to by specific embodiment, the present invention will be further described.
In the present invention, if not refering in particular to, all percentages are unit of weight, and all devices and raw material can be purchased from market
Or the industry it is conventional, the method in following embodiments unless otherwise instructed, is this area conventional method.
Comparative example 1
Detect the component and content of No. 1 tea tree camellia volatile aroma of Anji white tea and Dragon Well tea.
Dragon Well tea 1, No. 1 each 1kg of fresh flower of Anji white tea that collection is fully deployed, are dried to foot dry using 50 ± 2 DEG C of air blast.Point
A certain amount of dry Tea Flower is not taken to be placed in round-bottomed flask, is added and is contained defoamer distilled water, add ethyl caprate as internal standard
Thing, is heated to micro-boiling.It is another take the ether after redistillation in round-bottomed flask in, be placed in the other end of device, 47 DEG C of water-baths.To sample
Product beside starts timing when seething with excitement, keep distillation extraction 60min under slight boiling condition, cooling.Ether is extracted with anhydrous sodium sulfate
Fluid dewatering is taken, the middle freeze overnight at -17 DEG C.Nitrogen blows and is concentrated to surplus 0.5ml or so, obtains fragrance essential oil.
GC-MS method qualitative and quantitative analysis fragrance components：5ml said extracted liquid is respectively taken, 20ml headspace extraction bottles are placed in
In, seal immediately.Ml headspace bottle is placed in 85 DEG C of water-bath inner equilibrium 40min, insertion is equipped with the chromatogram manual injector of extracting head,
Absorption 30min, then takes out extracting head.Desorbed during extracting head is inserted into 250 DEG C of chromatography column feed materials mouthful.2 repetitions are tested.
It is for fragrance component main in 2 Tea Flowers of examination：
The fragrance component detected in No. 1 Tea Flower of Dragon Well tea mainly has fatty alcohol (14 kinds), terpenol (3 kinds), aromatic alcohol
(3 kinds), aldehyde (6 kinds), ketone (6 kinds), sour (4 kinds), epoxide (2 kinds), hydrocarbon (8 kinds).Main fragrance component
It is furfural (26.9%), a- benzyl carbinols (14.8%), 2- butanol (9.1%), 2- amylalcohols (7.8%), 10- methyl-nonadecane
(7.5%), acetophenone (3.9%), 3- hydroxy-2-butanones (3.8%), n-hexyl aldehyde (3.7%), 1-POL (1.6%),
These compositions account for the 82.6% of essential oil total content altogether.
The fragrance component detected in No. 1 Tea Flower of Anji white tea mainly has fatty alcohol (14 kinds), terpenol (3 kinds), virtue
Aromatic (3 kinds), aldehyde (6 kinds), ketone (7 kinds), sour (4 kinds), epoxide (2 kinds), hydrocarbon (8 kinds).Main fragrance
Component ratio is aliphatic alcohols compound (35.8%), aromatic alcohol compound (7.5%), aldehyde compound (0.8%), ketone
Compound (46.1%), ester type compound (2.2%), hydrocarbon (4.8%).Content composition higher has acetophenone
(44.1%), 2- amylalcohols (22.1%), 2- enanthol (8.9%), a- benzyl carbinols (5.9%), 2- amylenes (4.1%), 2 phenylethyl alcohol
(2.2%), salicylic acid first vinegar (2.0%), linalool (1.8%), 2- hexanols (1.5%), 2- butanol (1.1%) etc..
The fragrance component species that 2 kinds are detected is essentially identical, based on alcohols material.But different types of component
Different with content, wherein the content Anji white tea of alcohols material 1 is less than Dragon Well tea 1, but letones, hydrocarbon
Class content of material is substantially higher in Dragon Well tea 1.Letones, especially acetophenone, are the main of fresh and sweet fresh scent in fragrance
Material, so, letones content height is the main cause that Anji white tea camellia has pure and fresh graceful fragrance characteristic.Fluid carbon
Hydrogen compound class material is the main matter for constituting fragrant and sweet floral odor, and Anji white tea hydrocarbon content of material is substantially high
It is main cause that Anji white tea camellia has pure and fresh graceful fragrance characteristic in Dragon Well tea kind.
Comparative example 2
Make extract solution with refining camellia oil, mix different organic solvents and make extract solution extraction Anji white tea camellia.
11 conical flasks (250ml) of charge of oil 50ml camellia oils are taken, the different organic solvents of 100ml are separately added into：Oil
Ether, ether, ethanol, ethanol：Ether (1：1), ethanol：Petroleum ether (1：1), ethanol：Ether (2：1), ethanol：Petroleum ether (2：1)、
Ethanol：Ether (3：1), ethanol：Petroleum ether (3：1), ethanol：Petroleum ether (4：1), ethanol：Ether (4：1)；Each conical flask is each
30g Anjis No. 1 flower of white tea is added, the sealing of lid lid shakes 4h, filters under normal temperature, carrying out sense organ to the fragrance of filtered fluid comments
Valency.
The method of sensory evaluation is：Age bracket is selected in 15-30, the people of people 9 of 31-45,46-60, each people of age bracket 3,
Wherein the people of male 2, the people of women 1, aroma sensory's evaluation is carried out to different samples.With No. 1 flower of Anji white tea being fully deployed
Fragrance is control, and the fragrance to sample carries out qualitative scoring.The standard of scoring accounts for 50% for fragrance level, and sweet taste accounts for 30%, perfume
The acceptance of sweet gas taste accounts for 20%, weighted average calculation.The original fragrant and sweet smell of No. 1 flower of Anji white tea is 10 points of full marks.Fraction
It is referred to as micro-perfume less than 2-3 points, 4-5 points is more fragrant, and 6-7 points is very fragrant.
The result of sensory evaluation is in addition to the smell of organic solvent, to be micro-perfume fragrance.
Respectively by above-mentioned filtered fluid at 52 DEG C, rotating pressure-decreasing evaporative removal volatile organic solvent takes out oil, sample after terminating
Product only slightly have micro-perfume, void value value.After the open placement of oil bottle second day, camellia oil and petroleum ether or ether mixing are carried
In the oil bottle for taking, British plain spirits and sweet taste, fragrance disappears substantially in other oil bottles, only one sweet taste.
Brief summary：Basic extract solution is made with grease, mixes the extracting method of different organic solvents, the aroma substance of extraction is few,
By after evaporative removal volatile organic solvent, there is no fragrance.
Comparative example 3
Make basic extract solution with glycerine, mixed ethanol makees extract solution and extracts Anji white tea camellia.
Pure glycerin or glycerine and alcohol mixture are measured respectively, are placed in conical flask (250ml), it is mixed in different ratios
Close, cumulative volume is 150ml：1. glycerine, 2. glycerine：Ethanol (1：1), 3. glycerine:Ethanol (2：1), 4. glycerine：Ethanol (3：1)、
5. glycerine：Ethanol (4：1), 6. glycerine：Ethanol (5：1).
30g Anjis white tea fresh flower is separately added into each conical flask, the sealing of lid lid shakes 4h, filters under normal temperature.To mistake
The fragrance of filtrate carries out sensory evaluation.In addition to the extract solution alcohol smell with the presence of ethanol, 1. fragrance 2. 3. 4. number is most for result
Light, 6. 5. micro-perfume number have fragrance.
Respectively by it is above-mentioned 2. 3. 4. 5. 6. filtered fluid at 52 DEG C, rotating pressure-decreasing evaporative removal ethanol takes out after terminating and extracts
Liquid, sample still has micro-perfume.By it is above-mentioned 1. 2. 3. 4. 5. 6. glycerine bottle is open place 4 days after, 1. 5. 6. still have outside micro-perfume, 2. 3. 4.
Substantially without fragrance.
Brief summary：1. basic extract solution is made with pure glycerin, the effect for extracting the fragrance of a flower is preferable.Glycerine mixes with the ethanol for dissolving each other and carries
The fragrance of a flower is taken, only in ethanol (being less than 20%) of low concentration effectively, but effect is suitable with diglyceride purity.2. glycerine has well
Preserve the function of fragrance.
| Sequence number | Fragrance on the day of extraction | Sealing 2 days | Continue open 4 days |
| ① | Micro-perfume | Micro-perfume | Micro-perfume |
| ② | Micro-perfume | Micro-perfume | Without fragrance |
| ③ | Micro-perfume | Micro-perfume | Without fragrance |
| ④ | Micro-perfume | Micro-perfume | Without fragrance |
| ⑤ | It is more fragrant | Micro-perfume | Micro-perfume |
| ⑥ | It is more fragrant | Micro-perfume | Micro-perfume |
Embodiment 1
(1) Anji white tea petal (not yet open, health, luxuriant body is big, determine second day open petal substantially) is divided
After move to 22 ± 2 DEG C of temperature, in the incubator of relative humidity 80 ± 5%, in being cultivated under half-light to flowering, incubation time is
12h；
(2) open flower is collected in batches, is 1 by the mass ratio of flower and extract solution：10 ratio, dress is placed in by flower
To have in the extractor of extract solution shake speed with 150 turns/min and carry out shake and extract 3h, extract solution is glycerine that mass concentration is 50%
The aqueous solution, after extract solution filter-cloth filtering, obtains final product Anji white tea camellia extract solution.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Embodiment 2
(1) Anji white tea petal (not yet open, health, luxuriant body is big, determine second day open petal substantially) is divided
After move to 22 ± 2 DEG C of temperature, in the incubator of relative humidity 80 ± 5%, in being cultivated under half-light to flowering, incubation time is
18h；
(2) open flower is collected in batches, is 2 by the mass ratio of flower and extract solution：10 ratio, dress is placed in by flower
To have in the extractor of extract solution shake speed with 160 turns/min and carry out shake and extract 4h, extract solution is glycerine that mass concentration is 55%
The aqueous solution, after extract solution filter-cloth filtering, obtains final product Anji white tea camellia extract solution.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Volatile infochemicals species can be ignored with content with the difference of embodiment 1 in the filtered fluid that the present embodiment is obtained,
Therefore contrast test can refer to comparative example 4~11.
Embodiment 3
(1) Anji white tea petal (not yet open, health, luxuriant body is big, determine second day open petal substantially) is divided
After move to 22 ± 2 DEG C of temperature, in the greenhouse of relative humidity 80 ± 5%, in being cultivated under dim light to flowering, incubation time is
24h；
(2) open flower is collected in batches, is 3 by the mass ratio of flower and extract solution：10 ratio, dress is placed in by flower
To have in the extractor of extract solution shake speed with 180 turns/min and carry out shake and extract 5h, extract solution is glycerine that mass concentration is 60%
The aqueous solution, after extract solution filter-cloth filtering, obtains final product Anji white tea camellia extract solution.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Volatile infochemicals species can be ignored with content with the difference of embodiment 1 in the filtered fluid that the present embodiment is obtained,
Therefore contrast test can refer to comparative example 4~11.
Comparative example 4
Comparative example 4 is with the difference of embodiment 1：Mass concentration is used to be carried for 10% glycerine water solution
Take, other are identical with embodiment 1.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Comparative example 5
Comparative example 5 is with the difference of embodiment 1：Mass concentration is used to be carried for 20% glycerine water solution
Take, other are identical with embodiment 1.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Comparative example 6
Comparative example 6 is with the difference of embodiment 1：Mass concentration is used to be carried for 30% glycerine water solution
Take, other and the complete phase of embodiment 1.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Comparative example 7
Comparative example 7 is with the difference of embodiment 1：Mass concentration is used to be carried for 40% glycerine water solution
Take, other and the complete phase of embodiment 1.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Comparative example 8
Comparative example 8 is with the difference of embodiment 1：Mass concentration is used to be carried for 70% glycerine water solution
Take, other and the complete phase of embodiment 1.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Comparative example 9
Comparative example 9 is with the difference of embodiment 1：Mass concentration is used to be carried for 80% glycerine water solution
Take, other and the complete phase of embodiment 1.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Comparative example 10
Comparative example 10 is with the difference of embodiment 1：Mass concentration is used to be carried for 90% glycerine water solution
Take, other and the complete phase of embodiment 1.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Comparative example 11
Comparative example 11 is with the difference of embodiment 1：Extracted using pure glycerin, other are complete with embodiment 1
Phase.
Fragrance to filtered fluid carries out sensory evaluation, and evaluation result is as shown in table 1.
Filtered fluid aroma sensory's evaluation result that the embodiment 1~3 of table 1 is obtained with comparative example 4~11.
As it can be seen from table 1 the filtered fluid fragrance that embodiment 1,2,3 is obtained illustrates the present invention apparently higher than each comparative example
Extracting method can extract most of Anji white tea camellia natural volatility flower aroma substance, and there is product good fragrance to protect
Deposit effect.
Embodiment described above is a kind of preferably scheme of the invention, not makees any formal to the present invention
Limitation, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (6)
1. a kind of Anji white tea fresh tea spends the extracting method of natural aromatic thing, it is characterised in that comprise the following steps：
(1) 22 ± 2 DEG C of temperature is moved to after Anji white tea petal is divided, in the incubator or greenhouse of relative humidity 80 ± 5%, in
Cultivated under half-light or dim light to flowering；
(2) open flower is collected in batches, flower is placed in carries out shake extraction in the extractor equipped with extract solution, extract solution is used
After filter-cloth filtering, Anji white tea camellia extract solution is obtained final product.
2. a kind of Anji white tea fresh tea according to claim 1 spends the extracting method of natural aromatic thing, it is characterised in that step
Suddenly in (1), incubation time is 12~24h.
3. a kind of Anji white tea fresh tea according to claim 1 spends the extracting method of natural aromatic thing, it is characterised in that step
Suddenly in (2), flower is (1~3) with the mass ratio of extract solution：10.
4. a kind of Anji white tea fresh tea according to claim 1 or 3 spends the extracting method of natural aromatic thing, its feature to exist
In, the extract solution be glycerine water solution that mass concentration is 50~60%.
5. a kind of Anji white tea fresh tea according to claim 4 spends the extracting method of natural aromatic thing, it is characterised in that step
Suddenly in (2), shake speed is 150~180 turns/min.
6. a kind of Anji white tea fresh tea spends the extracting method of natural aromatic thing, its feature to exist according to claim 1 or 5
In, in step (2), extraction time at least 3~5h.
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Effective date of registration: 20190219 Address after: 310021 No. 198 Shiqiao Road, Jianggan District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Academy of Agricultural Sciences Applicant after: Zhejiang tea language Biotechnology Co., Ltd. Applicant after: Tea station of Anji County Agricultural Bureau Address before: 310021 No. 198 Shiqiao Road, Jianggan District, Hangzhou City, Zhejiang Province Applicant before: Zhejiang Academy of Agricultural Sciences Applicant before: Zhejiang Yisi flavor Biotechnology Co. Ltd. Applicant before: Tea station of Anji County Agricultural Bureau |
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