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Processing method of instant black tea powder

A technology for instant black tea and a processing method, applied in the direction of tea extraction and the like, can solve the problems such as the deterioration of the quality of instant tea powder, and achieve the effects of no precipitation, reduced degradation and volatilization, and pure taste.

Inactive Publication Date: 2016-07-20
LONGYAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The key to the quality of instant tea lies in the guarantee of the extracted raw materials. Poor raw materials can easily lead to the deterioration of the quality of the extracted instant tea powder.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of processing method of instant black tea tea powder, its concrete steps are as follows:

[0020] 1) Crush the black tea leaves and pass through a 100-mesh sieve;

[0021] 2) Put 100kg of crushed tea leaves in a fermentation tank, add 100kg of distilled water, start the fermentation tank, the rotation speed of the fermentation tank is 20r / min, the space oxygen supply is 1L / min per cubic meter, and mix for 3 hours;

[0022] 3) Open the fermentation tank, add 0.20% cellulase by tea weight, adjust the rotation speed of the fermentation tank to 15r / min, the space oxygen supply to 1.5L / min per cubic meter, and enzymolysis for 6 hours; then open the fermentation tank and add tea leaves 0.20% papain by weight, control the rotating speed of the fermenter to be 15r / min, the space oxygen supply to be 1.5L / min per cubic meter, and enzymolysis for 8h; then open the fermenter, add pectinase by 0.25% by weight of tea leaves, adjust The rotation speed of the fermenter is 10r / m...

Embodiment 2

[0028] A kind of processing method of instant black tea tea powder, its concrete steps are as follows:

[0029] 1) Crush the black tea leaves and pass through a 100-mesh sieve;

[0030] 2) Put 100kg of crushed tea leaves in a fermentation tank, add 100kg of distilled water, start the fermentation tank, the rotation speed of the fermentation tank is 30r / min, the space oxygen supply is 1L / min per cubic meter, and mix for 2 hours;

[0031] 3) Open the fermenter, add cellulase with 0.15% of the weight of tea leaves, adjust the rotation speed of the fermenter to 25r / min, the space oxygen supply to 1.5L / min per cubic meter, and enzymolysis for 8 hours; then open the fermenter and add tea leaves 0.10% papain by weight, control the rotating speed of the fermenter to be 25r / min, the space oxygen supply to be 1.5L / min per cubic meter, and enzymolysis for 10h; then open the fermenter, add 0.20% pectinase by weight of tea leaves, adjust The rotation speed of the fermenter is 15r / min, the...

Embodiment 3

[0037] A kind of processing method of instant black tea tea powder, its concrete steps are as follows:

[0038] 1) Crush the black tea leaves and pass through a 100-mesh sieve;

[0039] 2) Put 100kg of crushed tea leaves in a fermentation tank, add 100kg of distilled water, start the fermentation tank, the rotation speed of the fermentation tank is 25r / min, the space oxygen supply is 1L / min per cubic meter, and the mixing time is 2.5h;

[0040]3) Open the fermentation tank, add 0.18% cellulase by tea weight, adjust the rotation speed of the fermentation tank to 20r / min, the space oxygen supply to 1.5L / min per cubic meter, and enzymolysis for 7 hours; then open the fermentation tank and add tea leaves 0.15% papain by weight, control the rotating speed of the fermenter to be 20r / min, the space oxygen supply to be 1.5L / min per cubic meter, and enzymatically hydrolyze for 9 hours; then open the fermenter, add pectinase of 0.22% by weight of tea leaves, adjust The rotation speed o...

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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 [0001] The invention belongs to the technical field of instant tea processing, and in particular relates to a processing method of instant black tea powder. Background technique [0002] Instant tea, also known as soluble tea, crystallized tea, tea essence, etc., is made by deep processing of tea leaves. Specifically, it is a kind of instant and convenient tea beverage made by concentrating and drying the water-soluble substances of tea leaves. For a long time, traditional instant tea production has focused on changing the extraction process, or processing the extract after extraction to improve the quality of instant tea. The key to the quality of instant tea lies in the guarantee of the extracted raw materials. Poor raw materials can easily lead to deterioration of the quality of the extracted instant tea powder. Therefore, before the instant tea is extracted, the tea raw materials are processed first to improve the quality of the raw materials, which can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/18
CPCA23F3/18
Inventor 王海斌陈晓婷孔祥海张清旭马小毛丁力
Owner LONGYAN UNIV
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