CN105767332A - Processing method of instant black tea powder - Google Patents
Processing method of instant black tea powder Download PDFInfo
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- CN105767332A CN105767332A CN201610153538.5A CN201610153538A CN105767332A CN 105767332 A CN105767332 A CN 105767332A CN 201610153538 A CN201610153538 A CN 201610153538A CN 105767332 A CN105767332 A CN 105767332A
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- black tea
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/16—Tea extraction; Tea extracts; Treating tea extract; Making instant tea
- A23F3/18—Extraction of water soluble tea constituents
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Abstract
The invention discloses a processing method of instant black tea powder. The processing method comprises the following steps of crushing black tea leaves so as to obtain black tea powder, mixing the black tea powder with distilled water, sequentially performing mixing and enzymolysis on the mixture of the black tea powder and the distilled water, cellulases, papain, pectinase and tannase, and finally, performing aqueous extraction, reverse osmosis concentration and vacuum freeze drying so as to obtain instant black tea powder. According to the processing method disclosed by the invention, the black tea leaves are used as raw materials, an instant tea extraction process is improved, the fragrance of the instant tea can be improved, original taste of the tea leaves is reserved, and the preprared instant tea powder is high in instant performance, and pure in fragrance and taste, the fragrance and the taste of the prepared instant tea powder are similar with those of original tea, and the instant black tea powder has the soup color of the original tea. Precipitants are not generated, and the instant black tea powder can be directly drunk, and has important significance in the expansion and the development of markets of the instant tea.
Description
Technical field
The invention belongs to instant tea processing technique field, the processing method being specifically related to a kind of instant black tea tea powder.
Background technology
Instant tea has another name called soluble tea, crystallization tea, caffein etc., is formed through deep processing by Folium Camelliae sinensis, specifically by the instant convenience type tea drink of one made concentrated for Aqua Folium Camelliae sinensis soluble substance, dry.Instant tea traditional for a long time makes the change focusing on extraction process, or extracting solution processes to improve the quality of instant tea after extraction.The quality of instant tea quality, it is critical only that extract raw material guarantee, raw material difference very easily cause its extract after instant tea powder quality deteriorate.Therefore, before instant tea extracts, in advance tea raw material is processed, improve the quality of raw material, the quality of later stage extraction tea powder can be effectively ensured.
Summary of the invention
The processing method that it is an object of the invention to provide a kind of instant black tea tea powder, it is with Folium Camelliae sinensis for raw material, adopt the leading enzymolysis Folium Camelliae sinensis of enzymatic isolation method, distilled water is adopted to be made directly extraction again, be effectively increased in instant tea tea polyphenols, the content of theanine, caffeine, and remain the original flavour of Folium Camelliae sinensis, and solving for a long time the problem that instant tea fragrance is low, flavour is light, developing and development to instant tea market have great importance.
In order to reach above-mentioned purpose, the main technical schemes that the present invention adopts is as follows:
A kind of processing method of instant black tea tea powder, it is after being pulverized by black tea leaf, add distilled water mixing, again successively with cellulase, papain, pectase, tannase mixed enzymolysis, carry through water after, reverse osmosis concentration, vacuum lyophilization, it is thus achieved that described instant black tea tea powder.
It specifically comprises the following steps that
1) 100 mesh sieves are crossed after being pulverized by black tea leaf；
2) being placed in fermentation tank by the Folium Camelliae sinensis after pulverizing, be that 1:1 adds distilled water by the weight ratio of distilled water Yu Folium Camelliae sinensis, start fermentation tank, the rotating speed of fermentation tank is 20r/min ~ 30r/min, and space oxygen-supplying amount is every cubic metre of 1L/min, incorporation time 2-3h；
3) opening fermentation tank, add the cellulase of Folium Camelliae sinensis weight 0.15%～0.20%, the rotating speed adjusting fermentation tank is 15r/min ~ 25r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, enzymolysis 6-8h；Being subsequently adding the papain of Folium Camelliae sinensis weight 0.10% ~ 0.20%, the rotating speed controlling fermentation tank is 15r/min ~ 25r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, enzymolysis 8-10h；Adding the pectase of Folium Camelliae sinensis weight 0.20% ~ 0.25%, the rotating speed adjusting fermentation tank is 10r/min ~ 15r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, enzymolysis 8-10h；Being eventually adding the tannase of Folium Camelliae sinensis weight 0.10% ~ 0.15%, the rotating speed adjusting fermentation tank is 5r/min ~ 10r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, enzymolysis 12-14h；
4) after fermentation ends, being transferred in extraction pot by the Folium Camelliae sinensis in fermentation tank and mixture, be that 1:15 adds distilled water by the weight ratio of distilled water Yu Folium Camelliae sinensis, distilled water temperature is 40 DEG C ~ 45 DEG C, and vibration rotating speed is 40r/min, and the time is 3h, crosses leaching supernatant；By the weight ratio of Folium Camelliae sinensis Yu distilled water be 1:8 filtering residue is added water carry out second time extract, distilled water temperature is 40 DEG C ~ 45 DEG C, and vibration rotating speed is 45r/min, and the time is 3h, mistake leaching supernatant；By the weight ratio of Folium Camelliae sinensis Yu distilled water be 1:4 filtering residue is added water carry out third time extract, distilled water temperature is 45 DEG C ~ 50 DEG C, and vibration rotating speed is 45r/min, and the time is 2h, mistake leaching supernatant, merge three extracting solution；
5) the extracting solution reverse osmosis concentration more than 6 times that will merge；
6) gained concentrated solution is placed in quick-freezing in-20 DEG C of freezers, then is placed in vacuum freeze drier lyophilizing, prepare described instant black tea tea powder.
The invention have the advantages that
(1) present invention adopts cellulase, papain, pectase, tannase to extract after Folium Camelliae sinensis is carried out fermentation process again, can be effectively improved the content of Tea Polyphenols in Tea, theanine, caffeine, thus improving tea leaf quality.
(2) present invention is after enzyme liquid ferments, and adopts distilled water to carry out multiple low-temperature extraction, can be effectively retained the fragrance of former tea, reduces degraded and the volatilization of effective content of tea.
(3) the instant black tea tea powder energy rapid solution that the present invention prepares is in water, and fragrance flavour is pure, close to original tea aroma, has the soup color of former tea, deposit-free matter.
Detailed description of the invention
In order to make content of the present invention easily facilitate understanding, below in conjunction with detailed description of the invention, technical solutions according to the invention are described further, but the present invention is not limited only to this.
Embodiment one
The processing method of a kind of instant black tea tea powder, it specifically comprises the following steps that
1) 100 mesh sieves are crossed after being pulverized by black tea leaf；
2) being placed in fermentation tank by the Folium Camelliae sinensis 100kg after pulverizing, add 100kg distilled water, start fermentation tank, the rotating speed of fermentation tank is 20r/min, and space oxygen-supplying amount is every cubic metre of 1L/min, mixes 3h；
3) opening fermentation tank, add the cellulase of Folium Camelliae sinensis weight 0.20%, the rotating speed adjusting fermentation tank is 15r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, enzymolysis 6h；Then opening fermentation tank, add the papain of Folium Camelliae sinensis weight 0.20%, the rotating speed controlling fermentation tank is 15r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, enzymolysis 8h；Opening fermentation tank again, add the pectase of Folium Camelliae sinensis weight 0.25%, the rotating speed adjusting fermentation tank is 10r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, enzymolysis 8h；Finally opening fermentation tank, add the tannase of Folium Camelliae sinensis weight 0.15%, the rotating speed adjusting fermentation tank is 5r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, enzymolysis 12h；
4) after fermentation ends, being transferred in extraction pot by the Folium Camelliae sinensis in fermentation tank and mixture, be that 1:15 adds distilled water by the weight ratio of distilled water Yu Folium Camelliae sinensis, distilled water temperature is 40 DEG C, and vibration rotating speed is 40r/min, and the time is 3h, crosses leaching supernatant；By the weight ratio of Folium Camelliae sinensis Yu distilled water be 1:8 filtering residue is added water carry out second time extract, distilled water temperature is 40 DEG C, and vibration rotating speed is 45r/min, and the time is 3h, mistake leaching supernatant；By the weight ratio of Folium Camelliae sinensis Yu distilled water be 1:4 filtering residue is added water carry out third time extract, distilled water temperature is 45 DEG C, and vibration rotating speed is 45r/min, and the time is 2h, mistake leaching supernatant, merge three extracting solution；
5) the extracting solution reverse osmosis concentration more than 6 times that will merge；
6) gained concentrated solution is placed in quick-freezing in-20 DEG C of freezers, then is placed in vacuum freeze drier lyophilizing, prepare described instant black tea tea powder.
The extraction ratio of the present embodiment instant black tea tea powder is conventional instant black tea tea powder 1.63 times, its tea polyphenols, theanine, caffeine content be conventional 1.21 times of instant black tea tea powder, 1.45 times, 1.34 times respectively；Detecting through GC-MS, its aroma substance composition is 129, than conventional many 85 of instant black tea tea powder.
Embodiment two
The processing method of a kind of instant black tea tea powder, it specifically comprises the following steps that
1) 100 mesh sieves are crossed after being pulverized by black tea leaf；
2) Folium Camelliae sinensis after being pulverized by 100kg is placed in fermentation tank, adds 100kg distilled water, starts fermentation tank, and the rotating speed of fermentation tank is 30r/min, and space oxygen-supplying amount is every cubic metre of 1L/min, mixes 2h；
3) opening fermentation tank, add the cellulase of Folium Camelliae sinensis weight 0.15%, the rotating speed adjusting fermentation tank is 25r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, enzymolysis 8h；Then opening fermentation tank, add the papain of Folium Camelliae sinensis weight 0.10%, the rotating speed controlling fermentation tank is 25r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, enzymolysis 10h；Opening fermentation tank again, add the pectase of Folium Camelliae sinensis weight 0.20%, the rotating speed adjusting fermentation tank is 15r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, enzymolysis 10h；Finally opening fermentation tank, add the tannase of Folium Camelliae sinensis weight 0.10%, the rotating speed adjusting fermentation tank is 10r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, enzymolysis 14h；
4) after fermentation ends, being transferred in extraction pot by the Folium Camelliae sinensis in fermentation tank and mixture, be that 1:15 adds distilled water by the weight ratio of distilled water Yu Folium Camelliae sinensis, distilled water temperature is 45 DEG C, and vibration rotating speed is 40r/min, and the time is 3h, crosses leaching supernatant；By the weight ratio of Folium Camelliae sinensis Yu distilled water be 1:8 filtering residue is added water carry out second time extract, distilled water temperature is 45 DEG C, and vibration rotating speed is 45r/min, and the time is 3h, mistake leaching supernatant；By the weight ratio of Folium Camelliae sinensis Yu distilled water be 1:4 filtering residue is added water carry out third time extract, distilled water temperature is 50 DEG C, and vibration rotating speed is 45r/min, and the time is 2h, mistake leaching supernatant, merge three extracting solution；
5) the extracting solution reverse osmosis concentration more than 6 times that will merge；
6) gained concentrated solution is placed in quick-freezing in-20 DEG C of freezers, then is placed in vacuum freeze drier lyophilizing, prepare described instant black tea tea powder.
The extraction ratio of the present embodiment instant black tea tea powder is conventional instant black tea tea powder 1.58 times, its tea polyphenols, theanine, caffeine content be conventional 1.28 times of instant black tea tea powder, 1.37 times, 1.29 times respectively；Detecting through GC-MS, its aroma substance composition is 126, than conventional many 82 of instant black tea tea powder.
Embodiment three
The processing method of a kind of instant black tea tea powder, it specifically comprises the following steps that
1) 100 mesh sieves are crossed after being pulverized by black tea leaf；
2) being placed in fermentation tank by the Folium Camelliae sinensis 100kg after pulverizing, add 100kg distilled water, start fermentation tank, the rotating speed of fermentation tank is 25r/min, and space oxygen-supplying amount is every cubic metre of 1L/min, incorporation time 2.5h；
3) opening fermentation tank, add the cellulase of Folium Camelliae sinensis weight 0.18%, the rotating speed adjusting fermentation tank is 20r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, enzymolysis 7h；Then opening fermentation tank, add the papain of Folium Camelliae sinensis weight 0.15%, the rotating speed controlling fermentation tank is 20r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, enzymolysis 9h；Opening fermentation tank again, add the pectase of Folium Camelliae sinensis weight 0.22%, the rotating speed adjusting fermentation tank is 12r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, enzymolysis 9h；Finally opening fermentation tank, add the tannase of Folium Camelliae sinensis weight 0.13%, the rotating speed adjusting fermentation tank is 8r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, enzymolysis 13h；
4) after fermentation ends, being transferred in extraction pot by the Folium Camelliae sinensis in fermentation tank and mixture, be that 1:15 adds distilled water by the weight ratio of distilled water Yu Folium Camelliae sinensis, distilled water temperature is 40 DEG C, and vibration rotating speed is 40r/min, and the time is 3h, crosses leaching supernatant；By the weight ratio of Folium Camelliae sinensis Yu distilled water be 1:8 filtering residue is added water carry out second time extract, distilled water temperature is 45 DEG C, and vibration rotating speed is 45r/min, and the time is 3h, mistake leaching supernatant；By the weight ratio of Folium Camelliae sinensis Yu distilled water be 1:4 filtering residue is added water carry out third time extract, distilled water temperature is 45 DEG C, and vibration rotating speed is 45r/min, and the time is 2h, mistake leaching supernatant, merge three extracting solution；
5) the extracting solution reverse osmosis concentration more than 6 times that will merge；
6) gained concentrated solution is placed in quick-freezing in-20 DEG C of freezers, then is placed in vacuum freeze drier lyophilizing, prepare described instant black tea tea powder.
The extraction ratio of the present embodiment instant black tea tea powder is conventional instant black tea tea powder 1.72 times, its tea polyphenols, theanine, caffeine content be conventional 1.19 times of instant black tea tea powder, 1.38 times, 1.32 times respectively；Detecting through GC-MS, its aroma substance composition is 131, than conventional many 87 of instant black tea tea powder.
The foregoing is only presently preferred embodiments of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of the present invention.
Claims (5)
1. the processing method of an instant black tea tea powder, it is characterized in that: after being pulverized by black tea leaf, add distilled water mixing, again successively with cellulase, papain, pectase, tannase mixed enzymolysis, carry through water after, reverse osmosis concentration, vacuum lyophilization, it is thus achieved that described instant black tea tea powder.
2. the processing method of instant black tea tea powder as claimed in claim 1, it is characterised in that: Folium Camelliae sinensis crosses 100 mesh sieves after pulverizing.
3. the processing method of instant black tea tea powder as claimed in claim 1, it is characterized in that: described in be blended in fermentation tank to carry out, during mixing, distilled water is 1:1 with the weight ratio of Folium Camelliae sinensis, and the rotating speed of fermentation tank is 20r/min ~ 30r/min, space oxygen-supplying amount is every cubic metre of 1L/min, and incorporation time is 2-3h.
4. the processing method of instant black tea tea powder as claimed in claim 1, it is characterized in that: the consumption of cellulase is the 0.15% ~ 0.20% of Folium Camelliae sinensis weight, the rotating speed of fermentation tank is 15r/min～25r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, and enzymolysis time is 6-8h；
The consumption of papain is the 0.10% ~ 0.20% of Folium Camelliae sinensis weight, and the rotating speed of fermentation tank is 15r/min ~ 25r/min, and space oxygen-supplying amount is every cubic metre of 1.5L/min, and enzymolysis time is 8-10h；
The consumption of pectase is the 0.20% ~ 0.25% of Folium Camelliae sinensis weight, and the rotating speed of fermentation tank is 10r/min ~ 15r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, and enzymolysis time is 8-10h；
The consumption of tannase is the 0.10% ~ 0.15% of Folium Camelliae sinensis weight, and the rotating speed of fermentation tank is 5r/min ~ 10r/min, and space oxygen-supplying amount is every cubic metre of 2.0L/min, and enzymolysis time is 12-14h.
5. the processing method of as claimed in claim 1 instant black tea tea powder, it is characterised in that: described water carries and point carrying out for 3 times, and when first time extracts, the weight ratio of distilled water and Folium Camelliae sinensis is 1:15, and distilled water temperature is 40 DEG C ~ 45 DEG C, and vibration rotating speed is 40r/min, time 3h；When second time is extracted, the weight ratio of Folium Camelliae sinensis and distilled water is 1:8, and distilled water temperature is 40 DEG C ~ 45 DEG C, and vibration rotating speed is 45r/min, time 3h；When third time is extracted, the weight ratio of Folium Camelliae sinensis and distilled water is 1:4, and distilled water temperature is 45 DEG C ~ 50 DEG C, and vibration rotating speed is 45r/min, time 2h.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106172958A (en) * | 2016-07-24 | 2016-12-07 | 贵州铜仁和泰茶业有限公司 | A kind of instant fermented tea preparation method |
| CN106490251A (en) * | 2016-10-16 | 2017-03-15 | 陕西理工大学 | A kind of preparation method of high-quality slender joss stick instant purple bud black tea |
| CN106665858A (en) * | 2016-12-30 | 2017-05-17 | 陕西师范大学 | Green tea goat milk with function of reducing blood pressure and preparation method of green tea goat milk |
| CN108185066A (en) * | 2018-02-28 | 2018-06-22 | 贵州省怡丰原生态茶业发展有限责任公司 | A kind of processing method of instant tea |
| CN108967597A (en) * | 2018-06-30 | 2018-12-11 | 贵州省石阡正岩苔生态茶业有限公司 | A kind of instant black tea and preparation method thereof |
| CN109619233A (en) * | 2019-01-03 | 2019-04-16 | 台州学院 | A kind of preparation method of anti-oxidation function instant tea powder |
| CN110367354A (en) * | 2019-08-19 | 2019-10-25 | 漳州职业技术学院 | The method and apparatus that instant tea slice is prepared using microwave vacuum freeze drying means |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106172958A (en) * | 2016-07-24 | 2016-12-07 | 贵州铜仁和泰茶业有限公司 | A kind of instant fermented tea preparation method |
| CN106490251A (en) * | 2016-10-16 | 2017-03-15 | 陕西理工大学 | A kind of preparation method of high-quality slender joss stick instant purple bud black tea |
| CN106665858A (en) * | 2016-12-30 | 2017-05-17 | 陕西师范大学 | Green tea goat milk with function of reducing blood pressure and preparation method of green tea goat milk |
| CN108185066A (en) * | 2018-02-28 | 2018-06-22 | 贵州省怡丰原生态茶业发展有限责任公司 | A kind of processing method of instant tea |
| CN108967597A (en) * | 2018-06-30 | 2018-12-11 | 贵州省石阡正岩苔生态茶业有限公司 | A kind of instant black tea and preparation method thereof |
| CN109619233A (en) * | 2019-01-03 | 2019-04-16 | 台州学院 | A kind of preparation method of anti-oxidation function instant tea powder |
| CN109619233B (en) * | 2019-01-03 | 2022-02-11 | 台州学院 | Preparation method of instant tea powder with antioxidant function |
| CN110367354A (en) * | 2019-08-19 | 2019-10-25 | 漳州职业技术学院 | The method and apparatus that instant tea slice is prepared using microwave vacuum freeze drying means |
| CN110367354B (en) * | 2019-08-19 | 2022-04-12 | 漳州职业技术学院 | Method and device for preparing instant tea tablet by microwave vacuum freeze drying method |
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