CN106962535A - A kind of Radix Astragali jasmine tea and preparation method thereof - Google Patents
A kind of Radix Astragali jasmine tea and preparation method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
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Abstract
The invention discloses a kind of Radix Astragali jasmine tea and preparation method thereof.The Astragalis flower tea bag includes Astragalis flower；The Astragalis flower is obtained by the once purged freeze-drying of Astragalis flower of fresh harvesting.The freeze-drying can preserve the medicinal ingredients such as saponin(e in Astragalis flower, flavones, polysaccharide to greatest extent, and can retain the original profile of Astragalis flower, color and luster and construction.Counted using gross weight number as 100 parts, the Radix Astragali jasmine tea can be made up of following components：25~45 parts of Astragalis flowers, 25~45 portions of green tea, 18~22 parts of baked barley teas and 8~12 portions of rock sugar.Astragalis flower fragrance of the present invention is light, fragrant with light wheat, and millet paste pure in mouth feel, soup look yellow becomes clear, and shows more special experience effect.Simultaneously because the unique medical value of Astragalis flower so that Astragalis flower tea has certain health-care efficacy, for example with：Decompression fat reducing, promote the production of body fluid, calm the nerves, the effect such as diuresis toxin expelling, thus with preferable application value.
Description
Technical field
The present invention relates to tea technology field, more particularly to a kind of Radix Astragali jasmine tea and preparation method thereof.
Background technology
The Radix Astragali is the dry root of legume astragalus mongolicus or Astragalus membranacus, is famous nourishing class Chinese medicine, its property of medicine
Gently, it is sweet, the effect of with tonifying Qi and lifting yang, strengthening exterior and reducing sweat, detoxification, myogenic and diuresis.It is referred to as " the sage of invigorating qi for strengthening superficies
Medicine ", is widely used in clinical formulation.The medicinal ingredient of the Radix Astragali mainly includes polysaccharide, saponin(e, flavones etc., with the immune work(of regulation
Energy, anti-aging, resisting stress, resist myocardial ischemia and protect kidney, liver, calmness, analgesia and anti-osteoporosis etc. act on.The Radix Astragali
Flower, petal form differs in size, and has vexil, ala and fossil fragments, color is based on faint yellow.Astragalis flower as the Radix Astragali ground
Part, has and Radix Astragali identical composition and effect.Radix Astragali tradition medicinal part is root, and the larger Radix Astragali overground part of yield
Point, only small part is most of all to abandon or burn as rubbish as animal feeding-stuff, and this results in environmental pollution and resource wave
Take.On the other hand, in artificial 2-3 years raw Radixs Astragali of production cultivation, it is often necessary to extract Astragalis flower, to eliminate reproductive organs
Grow the consumption to nutritional ingredient.This results in a large amount of Astragalis flowers and is thrown away, and causes the waste of resource and financial resources.According to preceding
Phase experimental study and lot of documents show that Radix Astragali aerial part also contains in a large amount of medicinal ingredients, especially Astragalis flower containing big
Measure Flavonoid substances.Therefore, it is badly in need of carrying out simple processing and fabricating to Astragalis flower by certain means, fully develops and utilize Huang
The medicinal ingredient of stilbene flower, improves the comprehensive utilization ratio of Radix Astragali medicine resource.
Tealeaves is pursued extensively as 21 century one of green drink of health the most by people.But contained coffee in tea
Coffee is too many because of human intake, can many stimulation oversaturations of Central nervous system generation, situations such as causing insomnia.And some crowd
It should not drink tea, such as pregnant woman, stomach patient.At present, prior art mainly carries out research and utilization to Radix Astragali root, and products application is big
In terms of majority concentrates on astragalus root health-care tea, health preserving tea and decoction, it yet there are no to be processed Astragalis flower and be fabricated to Radix Astragali jasmine tea
Report.
The content of the invention
It is an object of the invention to provide a kind of Radix Astragali jasmine tea and preparation method thereof, the Radix Astragali jasmine tea uses freeze-drying process
Be effectively maintained the medicinal ingredient of Astragalis flower so that Astragalis flower tea has certain health-care efficacy, such as decompression fat reducing, promote the production of body fluid,
Calm the nerves, the effect such as diuresis toxin expelling.
First purpose of the present invention is to provide a kind of Radix Astragali jasmine tea, and the general flavone content in the Radix Astragali jasmine tea is high, has
Certain health-care efficacy.
A kind of Radix Astragali jasmine tea that the present invention is provided, it includes Astragalis flower；The Astragalis flower is passed through by the Astragalis flower of fresh harvesting
Freeze-drying is obtained after cleaning.
In above-mentioned Radix Astragali jasmine tea, the Astragalis flower can be the Astragalis flower of fresh harvesting in 6~July, and such as June is fresh to adopt
The Astragalis flower plucked.The pattern of the Astragalis flower can be white and/or faint yellow.The place of production of the Astragalis flower can be autonomous for the Inner Mongol
Area Wulanchabu Fengzhen City black earth platform village astragalus cultivation base.
In above-mentioned Radix Astragali jasmine tea, the condition of the freeze-drying can be as follows：
Precooling temperature is -20 DEG C~-80 DEG C (such as -80 DEG C), and the time is 12~24h (such as 18h)；
Cryogenic temperature is -40 DEG C~-50 DEG C (such as -47 DEG C), and vacuum is 0.08~0.1MPa (such as 0.08MPa), freezing
Time is 72~96h (such as 72h or 96h).
In above-mentioned Radix Astragali jasmine tea, the moisture content of the Astragalis flower can be less than 4%.
The freeze-drying can preserve the medicinal ingredients such as saponin(e in Astragalis flower, flavones, polysaccharide to greatest extent, and can protect
Stay the original profile of Astragalis flower, color and luster and construction.
In above-mentioned Radix Astragali jasmine tea, the Radix Astragali jasmine tea can be made up of the Astragalis flower, green tea, baked barley tea and rock sugar.Will
Tea is made in Astragalis flower, the medicinal ingredient of Astragalis flower is incorporated in tea, and medicine-food two-purpose combines to meet consumer to health, mouth
The dual requirementses of sense.
In above-mentioned Radix Astragali jasmine tea, counted using gross weight number as 100 parts, the proportioning of each component is as follows：The Astragalis flower 25
~45 parts, 25~45 parts of green tea, 18~22 parts of baked barley tea, 8~12 parts of rock sugar.
Any of in above-mentioned Radix Astragali jasmine tea, the proportioning of each component concretely following 1) -6)：
1) 25~40 parts of Astragalis flower, 30~45 parts of green tea, 18~22 parts of baked barley tea, 8~12 parts of rock sugar；
2) 25~35 parts of Astragalis flower, 35~45 parts of green tea, 18~20 parts of baked barley tea, 10~12 parts of rock sugar；
3) 30~35 parts of Astragalis flower, 35~40 parts of green tea, 18~20 parts of baked barley tea, 10~12 parts of rock sugar；
4) 35~40 parts of Astragalis flower, 30~35 parts of green tea, 20~22 parts of baked barley tea, 8~10 parts of rock sugar；
5) 35 parts of Astragalis flower, 35 parts of green tea, 20 parts of baked barley tea, 10 parts of rock sugar；
6) 40 parts of Astragalis flower, 30 parts of green tea, 22 parts of baked barley tea, 8 parts of rock sugar；
7) 30 parts of Astragalis flower, 40 parts of green tea, 18 parts of baked barley tea, 12 parts of rock sugar；
8) 25 parts of Astragalis flower, 45 parts of green tea, 18 parts of baked barley tea, 12 parts of rock sugar；
9) 45 parts of Astragalis flower, 25 parts of green tea, 18 parts of baked barley tea, 12 parts of rock sugar.
Second object of the present invention is to provide the preparation method of the Astragalis flower described in any of the above-described.
The preparation method for the Astragalis flower described in any of the above-described that the present invention is provided, comprises the following steps：(1) pluck fresh
Astragalis flower, goes the removal of impurity, cleaning；(2) Astragalis flower handled by step (1) is freeze-dried, can be obtained after crushed
To the Radix Astragali jasmine tea.
In above-mentioned preparation method, the condition of the freeze-drying can be as follows：
Precooling temperature is -20 DEG C~-80 DEG C (such as -80 DEG C), and the time is 12~24h (such as 18h)；
Cryogenic temperature is -40 DEG C~-50 DEG C (such as -47 DEG C), and vacuum is 0.08~0.1MPa (such as 0.08MPa), freezing
Time is 72~96h (such as 72h or 96h).
In above-mentioned preparation method, the moisture content of the Astragalis flower can be less than 4%.
In above-mentioned preparation method, the mesh number after the Astragalis flower is crushed can be 40~60 mesh, such as 50 mesh.
In above-mentioned preparation method, methods described also comprises the following steps：Green tea and baked barley tea are crushed respectively, pressed
Mixed according to the parts by weight with the Astragalis flower after the crushing, rock sugar, you can obtain the Radix Astragali jasmine tea.
Mesh number after the green tea and the baked barley tea are crushed can be 40~60 mesh, such as 50 mesh.
Astragalis flower, as the reproductive organs of the Radix Astragali, is that conventional drying techniques, which exist, makes cell dehydration where the elite of the Radix Astragali
The metamorphosis such as strong diminution, fold occur for shrinkage, petal, and are damaged dried flower quality；When drying temperature is raised, phenols color
Plain stability declines, is easily oxidized, and can destroy the shortcomings of brown stain occurs for original color.The present invention can using Freeze Drying Technique
To keep original color, the flower pattern of petal complete, the active component in petal is preserved, medicinal ingredient is farthest retained
Come.
The present invention has the advantages that：
Through tasting test, Radix Astragali jasmine tea provided by the present invention, Astragalis flower fragrance is light, fragrant with light wheat, millet paste mouthful
Sense is pure, and soup look yellow becomes clear, and shows more special experience effect.Simultaneously because the unique medical value of Astragalis flower, makes
Astragalis flower tea there is certain health-care efficacy, for example with：Decompression fat reducing, promote the production of body fluid, calm the nerves, the effect such as diuresis toxin expelling, thus
Astragalis flower tea provided by the present invention has preferable application value.
Embodiment
Experimental method used in following embodiments is conventional method unless otherwise specified.
Material, reagent used etc., unless otherwise specified, are commercially obtained in following embodiments.
Astragalis flower：Pluck from Inner Mongolia Autonomous Region Wulanchabu Fengzhen City black earth platform village astragalus cultivation base.
Baked barley tea：It can be obtained by commercial sources, name of product：Baked barley tea；Product business：Beijing Pingshan all sorts of flowers tealeaves has
Limit company；Produce address：Green Dragon Hu Zhen Tuo Li villages of Fangshan District of Beijing north.
Green tea：It can be obtained by commercial sources, name of product：Rizhao Green Tea；The tea tree tender leaf place of production：The north of the Changjiang River is organic without public affairs
Evil green tea base.
The assay method of Astragalis flower general flavone used and Flavone content is as follows in following embodiments：
1st, the measure of Astragalis flower general flavone
1.1 ethanol reflux extraction
Crushed after Astragalis flower is freeze-dried, accurately weighed the Astragalis flower powder 1g of 50 mesh sieve in round-bottomed flask
It is middle to be tested, 70% ethanol solution 24ml mixing is added, refluxing extraction 3h under 70 DEG C of water-baths is filtered while hot, and filter residue carries out two
It is secondary to extract, filtrate is collected, residue is washed for 80% ethanol with volume fraction afterwards and filters, merges 3 filtrates, filtrate is existed
Rotation is concentrated into medicinal extract under 50 DEG C of water-baths, with appropriate volume fraction for 30% ethanol solution points 3 times under water-bath medicinal extract is complete
Portion dissolves and is transferred in 100ml volumetric flask, standby as test sample with 30% ethanol constant volume.
1.2 water reflux extractions
Method is shown in 1.1, wherein the extract solution added is 24ml distilled water, flows back three times, merges in 100 DEG C of water-bath
Filtrate carries out outstanding steaming, standby as test sample finally with 30% ethanol constant volume.
1.3 Astragalis flower determination of total flavonoids
Precision draws 2.0ml need testing solutions in 25ml volumetric flasks, is firstly added 5%NaNO2Solution 0.15ml shakes
Uniformly, 6min is stood, 10%Al (NO are added afterwards3)3Solution 0.15ml shakings are uniform, stand 6min, add 4%NaOH molten
Liquid 2.0ml shakings are uniform, are finally made into 25ml with 30% ethanol constant volume.Make to join to be not added with the good solution of rutin titer constant volume
Than determining absorbance with ultraviolet-uisible spectrophotometer at wavelength 510nm.
The Flavonoids content extracted from the Radix Astragali can be calculated as follows：
The recovery rate of general flavone compound=C flavones × 100 × (50/4)/W × 1 000 × 100% (1)
In formula (1), C flavones represents the concentration (mg/ml) of the prepare liquid obtained by standard curve；
× 100 represent constant volume to 100ml volumes；(50/4) extension rate is represented；
The quality (g) that W minces for weighed astragalus membranaceus powder；
× 1 000 represents to switch to the quality of Radix Astragali crushed material (mg) by (g).
2.2. the measure of Radix Astragali flower flavone
Method is shown in 1.1 and 1.2, and using test sample as prepare liquid, calycosin is directly determined in high performance liquid chromatography
Glucoside, calycosin, the content of ononin and onocerin.
The recovery rate of flavone compound=C flavones × 100/W × 1000 × 100% (2)
In formula (2), C flavones represents the concentration (mg/ml) of the prepare liquid obtained by standard curve；
× 100 represent constant volume to 100ml volumes；
The quality (g) that W minces for weighed astragalus membranaceus powder；
× 1 000 represents to switch to the quality of Radix Astragali crushed material (mg) by (g).
Embodiment 1, prepare Radix Astragali jasmine tea
The implementation time：- 2016 years on the 14th July in 2016 on August 28,.
First, Astragalis flower is prepared
1st, Astragalis flower is prepared in accordance with the following steps：
(1) raw material harvesting and cleaning：Fresh Astragalis flower is plucked, the removal of impurity is gone, is rinsed 2-3 times with clear water；
(2) dry：Astragalis flower is freezed with the method for freeze-drying, control water content is put into dry below 4%, after sealing
It is standby in dry environment.
Wherein, the operation of freeze-drying is as follows：
A, low temperature precooling：Cleaned Astragalis flower is put into -80 DEG C of refrigerators and carries out pre-freeze, the time is 18h.
B, vacuum freeze drying：Astragalis flower after precooling is quickly put into vacuum freeze drier, cryogenic temperature is set
For -47 DEG C；Hothouse vacuum is 0.08MPa；Cooling time is 72h.
In the present embodiment, (place of production is Inner Mongolia Autonomous Region Wulanchabu Fengzhen City black earth platform village Radix Astragali to fresh Astragalis flower
Planting base) it is to be plucked since June, selection flower pattern is complete, color is to be carried out after white and flaxen Astragalis flower is cleaned
Freeze-drying.
2nd, in Astragalis flower general flavone and flavonoids measure
Determine Astragalis flower single component to find, Astragalis flower general flavone content is 2590mg/100g, wherein calycosin Portugal
Polyglycoside and calycosin content are 7m g/100g, and ononin content is only 3.4mg/100g.
2nd, Radix Astragali jasmine tea is prepared
Formula：Counted using gross weight number as 100 parts, the proportioning of each component is as follows：35 parts of Astragalis flower, 35 parts of green tea, barley
20 parts of tea, 10 parts of rock sugar.
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) pulverize and sieve：A kind of Astragalis flower prepared of above-mentioned steps, green tea, baked barley tea are taken, is crushed respectively.
50 mesh sieves are crossed after crushing, Astragalis flower, green tea and barley tea powder is obtained, it is standby.
(2) it is hybrid packed：Powder and rock sugar in above-mentioned (1) are mixed according to the ratio in formula, finished product use is obtained
Tea bag is dispensed, fresh-keeping storage.
2nd, in the Radix Astragali jasmine tea general flavone and flavonoids measure
It is 2190mg/100g that general flavone content is determined in Radix Astragali jasmine tea, with the single content for determining general flavone of Astragalis flower
It is very nearly the same, illustrate the medicinal ingredient that Astragalis flower has been effectively maintained by freeze-drying process, reduce unnecessary loss.
3rd, the mouthfeel of Radix Astragali jasmine tea
After Radix Astragali jasmine tea in the present embodiment is brewed, Astragalis flower fragrance is light, fragrant with light wheat, and millet paste mouthfeel is pure
Just, fragrant taste is simple and elegant, fragrance with light sweet taste and barley, and soup look yellow becomes clear.
Embodiment 2, prepare Radix Astragali jasmine tea
The implementation time：- 2016 years on the 14th July in 2016 on August 28,.
First, Astragalis flower is prepared
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) raw material harvesting and cleaning：Fresh Astragalis flower is plucked, the removal of impurity is gone, is rinsed 2-3 times with clear water；
(2) dry：Astragalis flower is freezed with the method for freeze-drying, control water content is put into dry below 4%, after sealing
It is standby in dry environment.
Wherein, the operation of freeze-drying is as follows：
A, low temperature precooling：Cleaned Astragalis flower is put into -80 DEG C of refrigerators and carries out pre-freeze, the time is 18h.
B, vacuum freeze drying：Astragalis flower after precooling is quickly put into vacuum freeze drier, cryogenic temperature is set
For -47 DEG C；Hothouse vacuum is 0.08MPa；Cooling time is 72h.
In the present embodiment, (place of production is Inner Mongolia Autonomous Region Wulanchabu Fengzhen City black earth platform village Radix Astragali to fresh Astragalis flower
Planting base) it is to be plucked since June, selection flower pattern is complete, color is to be carried out after white and flaxen Astragalis flower is cleaned
Freeze-drying.
2nd, in Astragalis flower general flavone and flavonoids measure
Determine Astragalis flower single component to find, Astragalis flower general flavone content is 2560mg/100g, and Flavone content is universal
It is relatively low, for example：Calycosin glucoside content is 7.6mg/100g, and calycosin content is 5.6mg/100g, awns handle
Flower glycosides content is 5mg/100g.
2nd, Radix Astragali jasmine tea is prepared
Formula：Counted using gross weight number as 100 parts, 40 parts of Astragalis flower, 30 parts of green tea, 22 parts of baked barley tea, 8 parts of rock sugar.
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) pulverize and sieve：A kind of Astragalis flower prepared of above-mentioned steps, green tea, baked barley tea are taken, is crushed respectively.
50 mesh sieves are crossed after crushing, Astragalis flower, green tea and barley tea powder is obtained, it is standby.
(2) it is hybrid packed：Powder and rock sugar in above-mentioned (1) are mixed according to the ratio in formula, finished product use is obtained
Tea bag is dispensed, fresh-keeping storage.
2nd, in the Radix Astragali jasmine tea general flavone and flavonoids measure
It is 1960m g/100g that general flavone content is determined in Radix Astragali jasmine tea, with the single content for determining general flavone of Astragalis flower
Compared to slightly reducing, illustrate the medicinal ingredient that Astragalis flower has been effectively maintained by freeze-drying process, reduce unnecessary damage
Lose.
3rd, the mouthfeel of Radix Astragali jasmine tea
After Radix Astragali jasmine tea in the present embodiment is brewed, Astragalis flower fragrance is light, fragrant with light wheat, and millet paste mouthfeel is pure
Just, fragrant taste is simple and elegant, fragrance with light sweet taste and barley, and soup look yellow becomes clear.
Embodiment 3, prepare Radix Astragali jasmine tea
The implementation time：- 2016 years on the 14th July in 2016 on August 28,.
First, Astragalis flower is prepared
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) raw material harvesting and cleaning：Fresh Astragalis flower is plucked, the removal of impurity is gone, is rinsed 2-3 times with clear water；
(2) dry：Astragalis flower is freezed with the method for freeze-drying, control water content is put into dry below 4%, after sealing
It is standby in dry environment.
Wherein, the operation of freeze-drying is as follows：
A, low temperature precooling：Cleaned Astragalis flower is put into -80 DEG C of refrigerators and carries out pre-freeze, the time is 18h.
B, vacuum freeze drying：Astragalis flower after precooling is quickly put into vacuum freeze drier, cryogenic temperature is set
For -47 DEG C；Hothouse vacuum is 0.08MPa；Cooling time is 96h.
In the present embodiment, (place of production is Inner Mongolia Autonomous Region Wulanchabu Fengzhen City black earth platform village Radix Astragali to fresh Astragalis flower
Planting base) it is to be plucked since June, selection flower pattern is complete, color is to be freezed after white and flaxen Astragalis flower is cleaned
Dry.
2nd, in Astragalis flower general flavone and flavonoids measure
Determine Astragalis flower single component to find, Astragalis flower general flavone content is 2500mg/100g, and Flavone content is universal
It is relatively low, for example：Calycosin glucoside content is 8.4mg/100g, and calycosin content is 8.7mg/100g, awns handle
Flower glycosides content is 4.4mg/100g.
2nd, Radix Astragali jasmine tea is prepared
Formula：Counted using gross weight number as 100 parts, the proportioning of each component is as follows：30 parts of Astragalis flower, 40 parts of green tea, barley
18 parts of tea, 12 parts of rock sugar.
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) pulverize and sieve：A kind of Astragalis flower prepared of above-mentioned steps, green tea, baked barley tea are taken, is crushed respectively.
50 mesh sieves are crossed after crushing, Astragalis flower, green tea and barley tea powder is obtained, it is standby.
(2) it is hybrid packed：Powder in above-mentioned (2) is proportionally mixed with rock sugar, finished product is obtained and is entered with tea bag
Row packing, fresh-keeping storage.
2nd, in the Radix Astragali jasmine tea general flavone and flavonoids measure
It is 1850m g/100g that general flavone content is determined in Radix Astragali jasmine tea, with the single content for determining general flavone of Astragalis flower
Compared to slightly reducing, illustrate to be effectively maintained the most medicinal ingredient of Astragalis flower by freeze-drying process, reduction need not
The loss wanted.
3rd, the mouthfeel of Radix Astragali jasmine tea
After Radix Astragali jasmine tea in the present embodiment is brewed, Astragalis flower fragrance is light, fragrant with light wheat, and millet paste mouthfeel is pure
Just, fragrant taste is simple and elegant, fragrance with light sweet taste and barley, and soup look yellow becomes clear.
Embodiment 4, prepare Radix Astragali jasmine tea
The implementation time：- 2016 years on the 14th July in 2016 on August 28,.
First, Astragalis flower is prepared
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) raw material harvesting and cleaning：Fresh Astragalis flower is plucked, the removal of impurity is gone, is rinsed 2-3 times with clear water；
(2) dry：Astragalis flower is freezed with the method for freeze-drying, control water content is put into dry below 4%, after sealing
It is standby in dry environment.
Wherein, the operation of freeze-drying is as follows：
Low temperature precooling：Cleaned Astragalis flower is put into -80 DEG C of refrigerators and carries out pre-freeze, the time is 18h.
Vacuum freeze drying：Astragalis flower after precooling is quickly put into vacuum freeze drier, set cryogenic temperature as-
47℃；Hothouse vacuum is 0.08MPa；Cooling time is 96h.
In the present embodiment, (place of production is Inner Mongolia Autonomous Region Wulanchabu Fengzhen City black earth platform village Radix Astragali to fresh Astragalis flower
Planting base) it is to be plucked since June, selection flower pattern is complete, color is to be freezed after white and flaxen Astragalis flower is cleaned
Dry.
2nd, in Astragalis flower general flavone and flavonoids measure
Determine Astragalis flower single component to find, Astragalis flower general flavone content is 2500mg/100g, and Flavone content is universal
It is relatively low, for example：Calycosin glucoside and calycosin content are 10mg/100g, and ononin content is
5.5mg/100g。
2nd, Radix Astragali jasmine tea is prepared
Formula：Counted using gross weight number as 100 parts, the proportioning of each component is as follows：25 parts of Astragalis flower, 45 parts of green tea, barley
18 parts of tea, 12 parts of rock sugar.
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) pulverize and sieve：Astragalis flower, green tea, baked barley tea that above-mentioned steps one are prepared are taken, is crushed respectively.Powder
50 mesh sieves are crossed after broken, Astragalis flower, green tea and barley tea powder is obtained, it is standby.
(2) it is hybrid packed：Powder in above-mentioned (1) is proportionally mixed with rock sugar, finished product is obtained and is entered with tea bag
Row packing, fresh-keeping storage.
2nd, in the Radix Astragali jasmine tea general flavone and flavonoids measure
It is 1120m g/100g that general flavone content is determined in Radix Astragali jasmine tea, with the single content for determining general flavone of Astragalis flower
It is more compared to reducing, illustrate the part medicinal ingredient that Astragalis flower is remained by freeze-drying process.
3rd, the mouthfeel of Radix Astragali jasmine tea
After Radix Astragali jasmine tea in the present embodiment is brewed, Astragalis flower fragrance is light, fragrant with light wheat, and millet paste mouthfeel is pure
Just, fragrant taste is simple and elegant, fragrance with light sweet taste and barley, and soup look yellow becomes clear.
Embodiment 5, prepare Radix Astragali jasmine tea
The implementation time：- 2016 years on the 14th July in 2016 on August 28,.
First, Astragalis flower is prepared
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) raw material harvesting and cleaning：Fresh Astragalis flower is plucked, the removal of impurity is gone, is rinsed 2-3 times with clear water；
(2) dry：Astragalis flower is freezed with the method for freeze-drying, control water content is put into dry below 4%, after sealing
It is standby in dry environment.
Wherein, the condition of freeze-drying is as follows：
A, low temperature precooling：Cleaned Astragalis flower is put into -80 DEG C of refrigerators and carries out pre-freeze, the time is 18h.
B, vacuum freeze drying：Astragalis flower after precooling is quickly put into vacuum freeze drier, cryogenic temperature is set
For -47 DEG C；Hothouse vacuum is 0.08MPa；Cooling time is 96h.
In the present embodiment, (place of production is Inner Mongolia Autonomous Region Wulanchabu Fengzhen City black earth platform village Radix Astragali to fresh Astragalis flower
Planting base) it is to be plucked since June, selection flower pattern is complete, color is to be freezed after white and flaxen Astragalis flower is cleaned
Dry.
2nd, in Astragalis flower general flavone and flavonoids measure
Determine Astragalis flower single component to find, Astragalis flower general flavone content is 2490mg/100g, and Flavone content is universal
It is relatively low, for example：Calycosin glucoside content is 8.8mg/100g, and calycosin content is 4.2mg/100g, awns handle
Flower glycosides content is 6.9mg/100g.
2nd, Radix Astragali jasmine tea is prepared
Formula：Counted using gross weight number as 100 parts, the proportioning of each component is as follows：45 parts of Astragalis flower, 25 parts of green tea, barley
18 parts of tea, 12 parts of rock sugar.
1st, Radix Astragali jasmine tea is prepared in accordance with the following steps：
(1) pulverize and sieve：Astragalis flower, green tea, baked barley tea that above-mentioned steps one are prepared are taken, is crushed respectively.Powder
50 mesh sieves are crossed after broken, Astragalis flower, green tea and barley tea powder is obtained, it is standby.
(2) it is hybrid packed：Powder in above-mentioned (2) is proportionally mixed with rock sugar, finished product is obtained and is entered with tea bag
Row packing, fresh-keeping storage.
2nd, in the Radix Astragali jasmine tea general flavone and flavonoids measure
It is 990mg/100g that general flavone content is determined in Radix Astragali jasmine tea, with the single content phase for determining general flavone of Astragalis flower
It is more more than reducing, illustrate to remain Astragalis flower part medicinal ingredient by freeze-drying process.
3rd, the mouthfeel of Radix Astragali jasmine tea
After Radix Astragali jasmine tea in the present embodiment is brewed, Astragalis flower fragrance is light, fragrant with light wheat, and millet paste mouthfeel is pure
Just, fragrant taste is simple and elegant, fragrance with light sweet taste and barley, and soup look yellow becomes clear.
In summary, the main composition for playing effect is general flavone, Flavonoid substances in Radix Astragali jasmine tea of the present invention, by cold
The nutriment in Astragalis flower can be retained to greatest extent by freezing dry technology, be shown according to research, Radix Astragali flavone can be removed
The ability of human body oxygen radical, enhancing human immunity and anti-virus aspect.Astragalis flower tea of the present invention has certain health-care effect, together
When can also meet mouthfeel demand.
Claims (8)
1. a kind of Radix Astragali jasmine tea, it is characterised in that：It includes Astragalis flower；The Astragalis flower is cleaned by the Astragalis flower of fresh harvesting
Freeze-drying is obtained afterwards.
2. Radix Astragali jasmine tea according to claim 1, it is characterised in that：The condition of the freeze-drying is as follows：
Precooling temperature is -20 DEG C~-80 DEG C, and the time is 12~24h；
Cryogenic temperature is -40 DEG C~-50 DEG C, and vacuum is 0.08~0.1MPa, and cooling time is 72~96h.
3. Radix Astragali jasmine tea according to claim 1 or 2, it is characterised in that：Counted using gross weight number as 100 parts, the Huang
Stilbene jasmine tea is made up of following components：25~45 parts of Astragalis flowers, 25~45 portions of green tea, 18~22 parts of baked barley teas and 8~12 portions of rock sugar.
4. the preparation method of the Radix Astragali jasmine tea any one of claim 1-3, comprises the following steps：(1) new cadmium yellow is plucked
Stilbene is spent, and goes the removal of impurity, is cleaned；(2) Astragalis flower handled by step (1) is freeze-dried, it is i.e. available after crushed
The Radix Astragali jasmine tea.
5. preparation method according to claim 4, it is characterised in that：The condition of the freeze-drying is as follows：
Precooling temperature is -20 DEG C~-80 DEG C, and the time is 12~24h；
Cryogenic temperature is -40 DEG C~-50 DEG C, and vacuum is 0.08~0.1MPa, and cooling time is 72~96h.
6. the preparation method according to claim 4 or 5, it is characterised in that：The Astragalis flower crush after mesh number for 40~
60 mesh.
7. the preparation method according to any one of claim 4-6, it is characterised in that：Methods described also includes following step
Suddenly：Green tea and baked barley tea are crushed respectively, mixed according to the parts by weight with the Astragalis flower after the crushing, rock sugar,
It can obtain the Radix Astragali jasmine tea.
8. preparation method according to claim 7, it is characterised in that：Mesh number after the green tea and baked barley tea crushing
For 40~60 mesh.
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| CN109953152A (en) * | 2017-12-22 | 2019-07-02 | 甘肃渭水源药业科技有限公司 | A kind of Astragalis flower makees the jasmine tea and preparation method thereof of raw material |
| CN111820298A (en) * | 2020-08-11 | 2020-10-27 | 陈更生 | Preparation process of pure natural and pure pomelo flower tea |
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