CN105325643A - Golden eucommia black tea and preparation method thereof - Google Patents
Golden eucommia black tea and preparation method thereof Download PDFInfo
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- CN105325643A CN105325643A CN201510872284.8A CN201510872284A CN105325643A CN 105325643 A CN105325643 A CN 105325643A CN 201510872284 A CN201510872284 A CN 201510872284A CN 105325643 A CN105325643 A CN 105325643A
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Abstract
The invention discloses golden eucommia black tea and a preparation method thereof. The method comprises the steps of 1, withering, wherein 20-30 parts of eucommia tender leaves and 60-70 parts of chimonanthus salicifolius tender leaves are mixed and then withered; 2, enzymolysis, wherein a 5-10% enzymatic hydrolysis solution is added into the withered leaves for enzymolysis for 1-3 h; 3, twisting, wherein the cell destruction rate is more than 90%, and liquid tea overflows and does not drip; 4, fermentation, wherein oxygen is introduced into the twisted tea leaves for fermentation, so that green grass fragrance disappears, the specific fragrance of the golden eucommia black tea appears, and the leaf color is dark red; 5, drying, wherein the fermented tea leaves are fed into a dryer to be dried till the water content is 5-6%. The obtained golden eucommia black tea is dark red, full in shape, attractive in appearance and highly permeable in fragrance, the soaked tea soup is mellow in taste, the fragrance is rich, no acid odor or bitter taste exists, the specific flavor of the golden eucommia black tea is achieved, and the golden eucommia black tea has the better auxiliary effect on treating high blood pressure and high blood fat.
Description
Technical field
The present invention relates to a kind of gold encomia black tea and preparation method thereof.
Background technology
Gold tea system Calycanthaceae, formal name used at school are the one functional tea of tender leaf through processing and fabricating of Liu Yazi.Liu Yazi is half evergreen shrubs, originate in original remote mountains, pollution-free, pure natural, hold natural essence China, remittance intelligent part of the universe gas, breaks the law of tealeaves circle " high mountain has gone out tea ", the high grade tea of low altitude area output theanine content more than 6% in the 500--1500m of the western Hunan is one of tea that current Chinese tea histidine content is the highest.
According to records such as " Chinese tree will ", gold tea: cool, clearing heat and detoxicating, inducing diaphoresis to dispel wind, aid digestion, cure cold, control chronic bronchitis, there is certain curative effect to hypertension.Among the people always as cooling and heatstroke-eliminating, stomach strengthening and digestion promoting, controls abdominal distention and pain, and the good medicine of cough-relieving relieving restlessness is often drunk and had certain curative effect to various stomach, is all selected good merchantable brand by local urban and rural residents as on presenting friends over the years.
The tender leaf of Liu Yazi is processed into the Land use systems that black tea is Liu Yazi routine, but in existing gold black tea process technology, existence fermentation is insufficient, fermentation time is long, and the black tea made is with the technological deficiency of astringent taste.Trace it to its cause, may be because structure that Liu Yazi leaf surfaces is special hinders the immersion of fermentative microorganism, cause long and the insufficient and gold black tea made of fermenting of fermenting of fermentation time with astringent taste, astringent taste is mainly derived from tannin and the tannic acid of leaf inside.
Summary of the invention
Prior art Problems existing is made for solving gold black tea, the present inventor is through lot of experiments, finally a kind of preparation method of gold encomia black tea is invented, use the method can shorten fermentation time 20-30%, and the gold encomia black tea mellow in taste of preparation, without astringent taste, there is higher commodity value.Through function test test, due to adding of bark of eucommia tender leaf, this product all has good auxiliary curative effect for hypertension and high fat of blood.
The present invention includes following step:
(1) wither, put into withering trough by after 20-30 part bark of eucommia tender leaf, the mixing of 60-70 part Liu Yazi tender leaf, withering temperature is first high rear low, and wind-force is first big after small, and the weight-loss ratio that withers is 45-50%, and the leaf moisture content after withering is 48-55%;
(2) enzymolysis, adds the enzymolysis liquid of 5-10% in the leaf after withering, after mixing at the temperature of 35 DEG C-55 DEG C degree enzymolysis 1-3 hour;
Enzymolysis liquid preparation method is: being lived by enzyme as 10-15 gram of complex enzyme formulation of 30000-50000 unit, to be dissolved in 300mlpH value be in the buffer solution of 4-7 and get final product;
Complex enzyme formulation wherein consists of cellulase mass fraction 50-70%, and all the other are pectase;
International zymetology meeting regulation in 1961 is deferred to by Mei Huo unit, refers under given conditions, can transform the enzyme amount of 1 micromole substrate in 1 minute, or the 1 micromolar enzyme amount about group in conversion of substrate;
(3) knead, the tealeaves input after enzymolysis is kneaded bucket and kneads, make blade slivering, stem is deliquescing further then, and destroy tealeaves cell further, cell-damaging rate more than 90%, tea juice is fully excessive, adheres to leaf surface, holds with hand-tight, and tea juice overflows and do not become drip;
(4) ferment, the tealeaves kneaded is carried out logical aerobe fermentation, fermented tea heap upper cover wets cloth, room temperature 25-28 degree, humidity more than 95%, leaf-spreading thickness 10-15 centimetre, turns over leaf 2-3 time in sweat, green grass gas is disappeared, and occur the distinctive fragrance of gold encomia black tea, leaf look dark red;
(5) dry, drying machine drying sent into by the tealeaves fermented, and continue fermentation to prevent tealeaves, tealeaves moisture content is dried to 20-25% by first 110-120 degree, then 80-90 degree is dried to moisture content 5-6%.
Utilizing this method to produce the gold encomia black tea obtained is kermesinus, and form is full, good looking appearance, and fragrance is thoroughly high, and the millet paste mellow in taste bubbled out, gives off a strong fragrance, and without any astringent taste and bitter taste, has the distinctive local flavor of gold encomia black tea.Through function test test, due to adding of bark of eucommia tender leaf, this product all has good auxiliary curative effect for hypertension and high fat of blood.
Compared with prior art, beneficial effect of the present invention is:
Due to plant cell wall mainly pectin and cellulose, thus by the permeability that effectively can increase cell after the complex enzyme process leaf of cellulose and pectin, promote the enzymatic oxidation of polyphenols, be conducive to fermentative microorganism immerse tealeaves inside and promote fermentation, shorten fermentation time 20-30%, enhance productivity; The present invention also can obviously increase the quality component content such as black tea water extraction, Tea Pigment, amino acid; Fermentative microorganism can effectively be degraded after immersing tealeaves cell interior tannin, thus eliminates astringent taste and the bitter taste of gold encomia black tea.
Detailed description of the invention
Below gold encomia black tea and preparation method thereof is described in detail.
Embodiment 1:
(1) wither, put into withering trough by after 28 parts of bark of eucommia tender leafs, 65 parts of Liu Yazi tender leaf mixing, withering temperature is first high rear low, and wind-force is first big after small, and the weight-loss ratio that withers is 46%, and the leaf moisture content after withering is 51%;
(2) enzymolysis, adds the enzymolysis liquid of 7% in the leaf after withering, after mixing at the temperature of 45 DEG C of degree enzymolysis 2 hours;
Enzymolysis liquid preparation method is: the 11 grams of complex enzyme formulations being 38000 units by enzyme work are dissolved in 300mlpH value to be in the buffer solution of 5.2 and to get final product;
Complex enzyme formulation wherein consists of cellulase mass fraction 68%, and all the other are pectase;
(3) knead, the tealeaves input after enzymolysis is kneaded bucket and kneads, make blade slivering, stem is deliquescing further then, and destroy tealeaves cell further, cell-damaging rate more than 90%, tea juice is fully excessive, adheres to leaf surface, holds with hand-tight, and tea juice overflows and do not become drip;
(4) ferment, the tealeaves kneaded is carried out logical aerobe fermentation, fermented tea heap upper cover wets cloth, room temperature 25-28 degree, humidity more than 95%, leaf-spreading thickness 13 centimetres, turns over leaf 3 times in sweat, green grass gas is disappeared, and occur the distinctive fragrance of gold encomia black tea, leaf look dark red;
(5) dry, drying machine drying sent into by the tealeaves fermented, and continue fermentation to prevent tealeaves, first tealeaves moisture content is dried to 24% by 115 degree, then 84 degree are dried to moisture content 5.4%.
Utilizing this method to produce the gold encomia black tea obtained is kermesinus, and form is full, good looking appearance, and fragrance is thoroughly high, and the millet paste mellow in taste bubbled out, gives off a strong fragrance, and without any astringent taste and bitter taste, has the distinctive local flavor of gold encomia black tea.Through function test test, due to adding of bark of eucommia tender leaf, this product all has good auxiliary curative effect for hypertension and high fat of blood.
Embodiment 2:
(1) wither, put into withering trough by after 25 parts of bark of eucommia tender leafs, 61 parts of Liu Yazi tender leaf mixing, withering temperature is first high rear low, and wind-force is first big after small, and the weight-loss ratio that withers is 48%, and the leaf moisture content after withering is 54%;
(2) enzymolysis, adds the enzymolysis liquid of 9% in the leaf after withering, after mixing at the temperature of 51 DEG C of degree enzymolysis 1.2 hours;
Enzymolysis liquid preparation method is: the 13 grams of complex enzyme formulations being 47000 units by enzyme work are dissolved in 300mlpH value to be in the buffer solution of 6.4 and to get final product;
Complex enzyme formulation wherein consists of cellulase mass fraction 59%, and all the other are pectase;
(3) knead, the tealeaves input after enzymolysis is kneaded bucket and kneads, make blade slivering, stem is deliquescing further then, and destroy tealeaves cell further, cell-damaging rate more than 90%, tea juice is fully excessive, adheres to leaf surface, holds with hand-tight, and tea juice overflows and do not become drip;
(4) ferment, the tealeaves kneaded is carried out logical aerobe fermentation, fermented tea heap upper cover wets cloth, room temperature 25-28 degree, humidity more than 95%, leaf-spreading thickness 14 centimetres, turns over leaf 3 times in sweat, green grass gas is disappeared, and occur the distinctive fragrance of gold encomia black tea, leaf look dark red;
(5) dry, drying machine drying sent into by the tealeaves fermented, and continue fermentation to prevent tealeaves, first tealeaves moisture content is dried to 23% by 118 degree, then 88 degree are dried to moisture content 5.9%.
Utilizing this method to produce the gold encomia black tea obtained is kermesinus, and form is full, good looking appearance, and fragrance is thoroughly high, and the millet paste mellow in taste bubbled out, gives off a strong fragrance, and without any astringent taste and bitter taste, has the distinctive local flavor of gold encomia black tea.Through function test test, due to adding of bark of eucommia tender leaf, this product all has good auxiliary curative effect for hypertension and high fat of blood.
Embodiment 3:
(1) wither, put into withering trough by after 21 parts of bark of eucommia tender leafs, 68 parts of Liu Yazi tender leaf mixing, withering temperature is first high rear low, and wind-force is first big after small, and the weight-loss ratio that withers is 47%, and the leaf moisture content after withering is 49%;
(2) enzymolysis, adds the enzymolysis liquid of 6% in the leaf after withering, after mixing at the temperature of 38 DEG C of degree enzymolysis 2.4 hours;
Enzymolysis liquid preparation method is: the 14 grams of complex enzyme formulations being 31000 units by enzyme work are dissolved in 300mlpH value to be in the buffer solution of 5.6 and to get final product;
Complex enzyme formulation wherein consists of cellulase mass fraction 52%, and all the other are pectase;
(3) knead, the tealeaves input after enzymolysis is kneaded bucket and kneads, make blade slivering, stem is deliquescing further then, and destroy tealeaves cell further, cell-damaging rate more than 90%, tea juice is fully excessive, adheres to leaf surface, holds with hand-tight, and tea juice overflows and do not become drip;
(4) ferment, the tealeaves kneaded is carried out logical aerobe fermentation, fermented tea heap upper cover wets cloth, room temperature 25-28 degree, humidity more than 95%, leaf-spreading thickness 11 centimetres, turns over leaf 2 times in sweat, green grass gas is disappeared, and occur the distinctive fragrance of gold encomia black tea, leaf look dark red;
(5) dry, drying machine drying sent into by the tealeaves fermented, and continue fermentation to prevent tealeaves, first tealeaves moisture content is dried to 23% by 111 degree, then 85 degree are dried to moisture content 5.1%.
Utilizing this method to produce the gold encomia black tea obtained is kermesinus, and form is full, good looking appearance, and fragrance is thoroughly high, and the millet paste mellow in taste bubbled out, gives off a strong fragrance, and without any astringent taste and bitter taste, has the distinctive local flavor of gold encomia black tea.Through function test test, due to adding of bark of eucommia tender leaf, this product all has good auxiliary curative effect for hypertension and high fat of blood.
Above-described embodiment not does any pro forma restriction to the present invention, any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (4)
1. a preparation method for gold encomia black tea, is characterized in that comprising following step:
(1) wither, put into withering trough by after 20-30 part bark of eucommia tender leaf, the mixing of 60-70 part Liu Yazi tender leaf, withering temperature is first high rear low, and wind-force is first big after small, and the weight-loss ratio that withers is 45-50%, and the leaf moisture content after withering is 48-55%;
(2) enzymolysis, adds the enzymolysis liquid of 5-10% in the leaf after withering, after mixing at the temperature of 35 DEG C-55 DEG C degree enzymolysis 1-3 hour;
(3) knead, the tealeaves input after enzymolysis is kneaded bucket and kneads, make blade slivering, stem is deliquescing further then, and destroy tealeaves cell further, cell-damaging rate more than 90%, tea juice is fully excessive, adheres to leaf surface, holds with hand-tight, and tea juice overflows and do not become drip;
(4) ferment, the tealeaves kneaded is carried out logical aerobe fermentation, fermented tea heap upper cover wets cloth, room temperature 25-28 degree, humidity more than 95%, leaf-spreading thickness 10-15 centimetre, turns over leaf 2-3 time in sweat, green grass gas is disappeared, and occur the distinctive fragrance of gold encomia black tea, leaf look dark red;
(5) dry, drying machine drying sent into by the tealeaves fermented, and continue fermentation to prevent tealeaves, tealeaves moisture content is dried to 20-25% by first 110-120 degree, then 80-90 degree is dried to moisture content 5-6%.
2. the preparation method of gold encomia black tea according to claim 1, is characterized in that: described enzymolysis liquid preparation method is: the 10-15 gram of complex enzyme formulation of being lived by enzyme as 30000-50000 unit is dissolved in 300mlpH value to be in the buffer solution of 4-7 and to get final product.
3. the preparation method of gold encomia black tea according to claim 2, it is characterized in that: described complex enzyme formulation consists of cellulase mass fraction 50-70%, all the other are pectase.
4. the gold encomia black tea that method is obtained according to claim 1 or 2 or 3, it is characterized in that: gold encomia black tea is kermesinus, form is full, good looking appearance, fragrance is thoroughly high, the millet paste mellow in taste bubbled out, give off a strong fragrance, without any astringent taste and bitter taste, there is the distinctive local flavor of gold encomia black tea, and for hypertension and high fat of blood, all there is good auxiliary curative effect.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107624909A (en) * | 2017-11-21 | 2018-01-26 | 山东贝隆杜仲生物工程有限公司 | A kind of bark of eucommia function black tea preparation method |
| CN108391735A (en) * | 2017-02-06 | 2018-08-14 | 蔡文安 | A kind of eucommia bark health-care tea and preparation method thereof |
| CN109090272A (en) * | 2018-08-23 | 2018-12-28 | 开化县龙口香茶业有限公司 | A kind of production method of gold black tea |
| CN109924279A (en) * | 2017-12-17 | 2019-06-25 | 江苏珍香生态农业科技有限公司 | The processing technology of gold tea cake |
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| CN103283883A (en) * | 2013-06-20 | 2013-09-11 | 安徽大学 | Method for improving quality of green tea through using compound enzyme preparation in tea leaf processing |
| CN104171092A (en) * | 2014-08-06 | 2014-12-03 | 镇江市丹徒区茗缘茶叶专业合作社 | Preparation method of enzymolysis black tea |
| CN104322724A (en) * | 2014-11-18 | 2015-02-04 | 深圳市深宝实业股份有限公司 | Method for preparing ultrafine black tea powder by wet-process grinding |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283883A (en) * | 2013-06-20 | 2013-09-11 | 安徽大学 | Method for improving quality of green tea through using compound enzyme preparation in tea leaf processing |
| CN104171092A (en) * | 2014-08-06 | 2014-12-03 | 镇江市丹徒区茗缘茶叶专业合作社 | Preparation method of enzymolysis black tea |
| CN104322724A (en) * | 2014-11-18 | 2015-02-04 | 深圳市深宝实业股份有限公司 | Method for preparing ultrafine black tea powder by wet-process grinding |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391735A (en) * | 2017-02-06 | 2018-08-14 | 蔡文安 | A kind of eucommia bark health-care tea and preparation method thereof |
| CN107624909A (en) * | 2017-11-21 | 2018-01-26 | 山东贝隆杜仲生物工程有限公司 | A kind of bark of eucommia function black tea preparation method |
| CN109924279A (en) * | 2017-12-17 | 2019-06-25 | 江苏珍香生态农业科技有限公司 | The processing technology of gold tea cake |
| CN109090272A (en) * | 2018-08-23 | 2018-12-28 | 开化县龙口香茶业有限公司 | A kind of production method of gold black tea |
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