CN103907717B - A kind of preparation method of green tea dew - Google Patents
A kind of preparation method of green tea dew Download PDFInfo
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- 238000004821 distillation Methods 0.000 claims abstract description 38
- 239000002893 slag Substances 0.000 claims abstract description 23
- 238000007731 hot pressing Methods 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 16
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 claims abstract description 13
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- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 claims abstract description 13
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- 229960002675 xylitol Drugs 0.000 claims abstract description 13
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- DATAGRPVKZEWHA-YFKPBYRVSA-N N(5)-ethyl-L-glutamine Chemical compound CCNC(=O)CC[C@H]([NH3+])C([O-])=O DATAGRPVKZEWHA-YFKPBYRVSA-N 0.000 description 2
- 229960001948 caffeine Drugs 0.000 description 2
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Abstract
The invention discloses the preparation method of a kind of green tea dew, its preparation process is as follows: green tea is put into extractor, adds deionized water; Then heat, continuous backflow decoction is extracted, and collects extract A, leaves green tea slag B; Green tea slag B is mixed with deionized water, carries out high temperature high pressure process, be cooled to environment temperature, air-distillation is carried out to mixed liquor C, collect and obtain distillate D; Extract A is mixed with distillate D, then carries out hot pressing distillation, obtain distillate E; In distillate E, add deionized water, salt, xylitol, dried peppermint leaf distillate, obtain mixture F, regulate pH value; Use microporous barrier to filter mixture, filtrate is carried out sterilization treatment, the filling green tea that namely obtains reveals.Preparation method of the present invention achieves the effective utilization to green tea materials, improves effect of productive rate and green tea dew.
Description
Technical field
The present invention relates to food processing technology field, particularly relate to the preparation method of a kind of green tea dew.
Background technology
Green tea, refer to and take tea tree young leaves or bud, without fermentation, through the product completed or the typical process such as shaping, oven dry is made, its more natural materials remaining fresh leaf, the Tea Polyphenols contained, catechin, chlorophyll, caffeine, amino acid, vitamins and other nutritious components are also more.Green tea, is described as " state's drink " in China.The large quantity research of modern science confirms, tealeaves contains the closely-related biochemical with health, tealeaves not only have refresh oneself clear away heart-fire, clearing away summerheat, eliminate indigestion and phlegm, go greasy fat-reducing, the relieving restlessness that clears away heart-fire, removing toxic substances sober up, promote the production of body fluid to quench thirst, fall the pharmacological actions such as fiery improving eyesight, only dysentery dehumidifying, also to modern diseases, as diseases such as Radiation sickness, cardiovascular and cerebrovascular diseases, cancers, there is certain pharmacological effect.The Main Ingredients and Appearance that tealeaves has pharmacological action is Tea Polyphenols, caffeine, lipopolysaccharides, theanine etc.
Mainly adopt the mode drinks green tea of making tea now, this mode be convenient, leisure, mellow time of the tea flavour bubbled out is sweet.But can not drink whenever and wherever possible, be subject to time and local restriction, and this mode make tea can not the nutritional labeling of abundant drinks green tea.
Summary of the invention
Technical problem to be solved by this invention is to provide the preparation method of a kind of green tea dew, and this preparation method achieves the effective utilization to green tea materials, improves effect of productive rate and green tea dew.
For solving the problem, the technical solution used in the present invention is:
Prepare a preparation method for green tea dew, step is as follows:
(1) green tea is put into extractor, add deionized water;
(2) heat, continuous backflow decoction is extracted, and collects extract A, leaves green tea slag B;
(3) green tea slag B is mixed with deionized water, carry out high temperature high pressure process, be cooled to environment temperature, obtain mixed liquor C;
(4) mixed liquor C is carried out air-distillation, collect and obtain distillate D;
(5) extract A is mixed with distillate D, then carry out hot pressing distillation, obtain distillate E;
(6) add deionized water, salt, xylitol, dried peppermint leaf distillate, obtain mixture F, regulate pH value;
(7) use microporous barrier to filter mixture F, filtrate is carried out sterilization treatment, the filling green tea that namely obtains reveals.
In above-mentioned steps (1), the mass ratio of green tea and deionized water is: 1:8-1:15.
In above-mentioned steps (2), heating-up temperature is 80-100 DEG C, and the time is 3-5 hour.
In above-mentioned steps (3), the weight ratio of green tea slag B and deionized water is 1:5-1:8, and high-temperature and high-pressure conditions is: temperature is 180-190 DEG C, and pressure is 0.45-0.48Mpa, and the processing time is 30-45s.
In above-mentioned steps (4), carry out three air-distillations continuously to mixed liquor C, the vapo(u)rizing temperature of three times is respectively 110-115 DEG C, 118-120 DEG C, 125-128 DEG C, and the time of each distillation is 20-30min.
In above-mentioned steps (5), carry out three hot pressing continuously to extract A and distillate D mixed liquor and distill, vapo(u)rizing temperature is respectively 130-135 DEG C, 138-140 DEG C, 145-148 DEG C, the time of each distillation is 20-30min, and the pressure of hot pressing distillation is 0.15-0.18Mpa.
In above-mentioned steps (6), with distillate E for benchmark, deionized water, salt, xylitol, the weight ratio that dried peppermint leaf distillate adds is respectively: 1:20-1:50,1:0.2-1:0.3,1:0.2-1:0.3,1:0.2-1:0.3, regulates pH value to 4.0-4.5.
Beneficial effect of the present invention is:
1, the present invention adopts the mode of continuous backflow to extract active ingredient in green tea, and temperature is low, and efficiency is high, can obtain active ingredient with high yield, does not destroy and does not lose active ingredient.
2, adopt the normal pressure of the segmentation temperature difference and the distillation mode of hot pressing in preparation process, extracted the active ingredient of green tea to greatest extent, reach again the impurity object removed in raw material.
3, choose xylitol, dried peppermint leaf distillate, as auxiliary material, improves effect and the mouthfeel of green tea dew.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but the present invention be confined to these embodiments.
Embodiment 1
(1) be 1:8 by the mass ratio of green tea and deionized water, green tea put into extractor, adds deionized water;
(2) heat 3 hours at temperature is 100 DEG C, continuous backflow decoction is extracted, and collects extract A, leaves green tea slag B;
(3) be 1:5 by the weight ratio of green tea slag B and deionized water, being mixed with deionized water by green tea slag B, is 180 DEG C in temperature, and pressure is under 0.48Mpa condition, carries out high temperature high pressure process 30s, is cooled to environment temperature, obtains mixed liquor C;
(4) carry out three air-distillations continuously to mixed liquor C, the vapo(u)rizing temperature of three times is respectively 110 DEG C, 118 DEG C, 125 DEG C, and the time of each distillation is 30min, collects and obtains distillate D;
(5) mixed with distillate D by extract A, and carry out three hot pressing distillation continuously to its mixed liquor, vapo(u)rizing temperature is respectively 135 DEG C, 140 DEG C, 148 DEG C, and the time of each distillation is 20min, and the pressure of hot pressing distillation is 0.18Mpa, obtains distillate E;
(6) with distillate E for benchmark, deionized water, salt, xylitol, the weight ratio that dried peppermint leaf distillate adds is respectively 1:20,1:0.2,1:0.2,1:0.2, obtains mixture F, regulate pH value to 4.0;
(7) use microporous barrier to filter mixture F, filtrate is carried out sterilization treatment, the filling green tea that namely obtains reveals.
Embodiment 2
(1) be 1:15 by the mass ratio of green tea and deionized water, green tea put into extractor, adds deionized water;
(2) heat 4 hours at temperature is 95 DEG C, continuous backflow decoction is extracted, and collects extract A, leaves green tea slag B;
(3) be 1:6 by the weight ratio of green tea slag B and deionized water, being mixed with deionized water by green tea slag B, is 185 DEG C in temperature, and pressure is under 0.47Mpa condition, carries out high temperature high pressure process 40s, is cooled to environment temperature, obtains mixed liquor C;
(4) carry out three air-distillations continuously to mixed liquor C, the vapo(u)rizing temperature of three times is respectively 115 DEG C, 120 DEG C, 128 DEG C, and the time of each distillation is 25min, collects and obtains distillate D;
(5) mixed with distillate D by extract A, and carry out three hot pressing distillation continuously to its mixed liquor, vapo(u)rizing temperature is respectively 130 DEG C, 138 DEG C, 145 DEG C, and the time of each distillation is 25min, and the pressure of hot pressing distillation is 0.15Mpa, obtains distillate E;
(6) with distillate E for benchmark, deionized water, salt, xylitol, the weight ratio that dried peppermint leaf distillate adds is respectively 1:50,1:0.3,1:0.3,1:0.3, obtains mixture F, regulate pH value to 4.5;
(7) use microporous barrier to filter mixture F, filtrate is carried out sterilization treatment, the filling green tea that namely obtains reveals.
Embodiment 3
(1) be 1:10 by the mass ratio of green tea and deionized water, green tea put into extractor, adds deionized water;
(2) heat 4 hours at temperature is 90 DEG C, continuous backflow decoction is extracted, and collects extract A, leaves green tea slag B;
(3) be 1:7 by the weight ratio of green tea slag B and deionized water, being mixed with deionized water by green tea slag B, is 190 DEG C in temperature, and pressure is under 0.47Mpa condition, carries out high temperature high pressure process 35s, is cooled to environment temperature, obtains mixed liquor C;
(4) carry out three air-distillations continuously to mixed liquor C, the vapo(u)rizing temperature of three times is respectively 113 DEG C, 119 DEG C, 126 DEG C, and the time of each distillation is 20min, collects and obtains distillate D;
(5) mixed with distillate D by extract A, and carry out three hot pressing distillation continuously to its mixed liquor, vapo(u)rizing temperature is respectively 133 DEG C, 139 DEG C, 146 DEG C, and the time of each distillation is 30min, and the pressure of hot pressing distillation is 0.16Mpa, obtains distillate E;
(6) with distillate E for benchmark, deionized water, salt, xylitol, the weight ratio that dried peppermint leaf distillate adds is respectively 1:30,1:0.25,1:0.25,1:0.25, add deionized water, salt, xylitol, dried peppermint leaf distillate, obtains mixture F, regulates pH value to 4.1;
(7) use microporous barrier to filter mixture F, filtrate is carried out sterilization treatment, the filling green tea that namely obtains reveals.
Embodiment 4
(1) be 1:13 by the mass ratio of green tea and deionized water, green tea put into extractor, adds deionized water;
(2) heat 5 hours at temperature is 85 DEG C, continuous backflow decoction is extracted, and collects extract A, leaves green tea slag B;
(3) be 1:8 by the weight ratio of green tea slag B and deionized water, being mixed with deionized water by green tea slag B, is 183 DEG C in temperature, and pressure is under 0.48Mpa condition, carries out high temperature high pressure process 30s, is cooled to environment temperature, obtains mixed liquor C;
(4) carry out three air-distillations continuously to mixed liquor C, the vapo(u)rizing temperature of three times is respectively 110 DEG C, 118 DEG C, 125 DEG C, and the time of each distillation is 30min, collects and obtains distillate D;
(5) mixed with distillate D by extract A, and carry out three hot pressing distillation continuously to its mixed liquor, vapo(u)rizing temperature is respectively 130 DEG C, 138 DEG C, 145 DEG C, and the time of each distillation is 30min, and the pressure of hot pressing distillation is 0.18Mpa, obtains distillate E;
(6) with distillate E for benchmark, deionized water, salt, xylitol, the weight ratio that dried peppermint leaf distillate adds is respectively 1:40,1:0.2,1:0.3,1:0.3, add deionized water, salt, xylitol, dried peppermint leaf distillate, obtains mixture F, regulates pH value to 4.3;
(7) use microporous barrier to filter mixture F, filtrate is carried out sterilization treatment, the filling green tea that namely obtains reveals.
Embodiment 5
(1) be 1:12 by the mass ratio of green tea and deionized water, green tea put into extractor, adds deionized water;
(2) heat 5 hours at temperature is 80 DEG C, continuous backflow decoction is extracted, and collects extract A, leaves green tea slag B;
(3) be 1:7 by the weight ratio of green tea slag B and deionized water, being mixed with deionized water by green tea slag B, is 185 DEG C in temperature, and pressure is under 0.47Mpa condition, carries out high temperature high pressure process 40s, is cooled to environment temperature, obtains mixed liquor C;
(4) carry out three air-distillations continuously to mixed liquor C, the vapo(u)rizing temperature of three times is respectively 113 DEG C, 120 DEG C, 125 DEG C, and the time of each distillation is 25min, collects and obtains distillate D;
(5) mixed with distillate D by extract A, and carry out three hot pressing distillation continuously to its mixed liquor, vapo(u)rizing temperature is respectively 133 DEG C, 138 DEG C, 145 DEG C, and the time of each distillation is 25min, and the pressure of hot pressing distillation is 0.15Mpa, obtains distillate E;
(6) with distillate E for benchmark, deionized water, salt, xylitol, the weight ratio that dried peppermint leaf distillate adds is respectively 1:35,1:0.2,1:0.25,1:0.3, obtains mixture F, regulate pH value to 4.4;
(7) use microporous barrier to filter mixture F, filtrate is carried out sterilization treatment, the filling green tea that namely obtains reveals.
Claims (2)
1. a preparation method for green tea dew, is characterized in that, comprise following preparation process:
(1) green tea is put into extractor, add deionized water, the mass ratio of green tea and deionized water is: 1:8-1:15;
(2) heat, continuous backflow decoction is extracted, and collect extract A, leave green tea slag B, described heating-up temperature is 80-100 DEG C, and the time is 3-5h;
(3) mixed with deionized water by green tea slag B, the weight ratio of green tea slag B and deionized water is 1:5-1:8, is 180-190 DEG C in temperature, pressure is under 0.45-0.48Mpa condition, carries out high temperature high pressure process, and the processing time is 30-45s, be cooled to environment temperature, obtain mixed liquor C;
(4) mixed liquor C is carried out air-distillation, carry out three times continuously, the vapo(u)rizing temperature of three times is respectively 110-115 DEG C, 118-120 DEG C, 125-128 DEG C, and the time of each distillation is 20-30min, collects and obtains distillate D;
(5) extract A is mixed with distillate D, carry out three hot pressing continuously to extract A and distillate D mixed liquor to distill, vapo(u)rizing temperature is respectively 130-135 DEG C, 138-140 DEG C, 145-148 DEG C, the time of each distillation is 20-30min, and the pressure of hot pressing distillation is 0.15-0.18Mpa, obtains distillate E;
(6) deionized water is added, salt, xylitol, dried peppermint leaf distillate, with distillate E for benchmark, deionized water, salt, xylitol, the weight ratio that dried peppermint leaf distillate adds is respectively: 1:20-1:50,1:0.2-1:0.3,1:0.2-1:0.3,1:0.2-1:0.3, obtains mixture F, adjust ph;
(7) use microporous barrier to filter mixture F, filtrate is carried out sterilization treatment, the filling green tea that namely obtains reveals.
2. according to claim 1 green tea dew preparation method, it is characterized in that: described step (6), adjust ph is to 4.0-4.5.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108049A (en) * | 1994-03-07 | 1995-09-13 | 北京康阳电子生物科技有限公司 | Beverage containing Xue-cha and Chinese herbal medicines and the prepn. method thereof |
| CN101053352A (en) * | 2007-05-22 | 2007-10-17 | 浙江大学 | Buccal tablet and its preparation method |
| CN101668435A (en) * | 2007-03-14 | 2010-03-10 | 爱尔兰浓缩加工公司 | Tea extract for reducing off-flavor of non-nutritive sweetener |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1108049A (en) * | 1994-03-07 | 1995-09-13 | 北京康阳电子生物科技有限公司 | Beverage containing Xue-cha and Chinese herbal medicines and the prepn. method thereof |
| CN101668435A (en) * | 2007-03-14 | 2010-03-10 | 爱尔兰浓缩加工公司 | Tea extract for reducing off-flavor of non-nutritive sweetener |
| CN101053352A (en) * | 2007-05-22 | 2007-10-17 | 浙江大学 | Buccal tablet and its preparation method |
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