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Functional health tea and preparation method thereof

A technology for functional, health-care tea, applied in the direction of tea extraction and pre-extraction tea treatment, can solve the problems of low preparation yield and destruction of active components of purple bud tea, achieve high preparation efficiency, good free radical scavenging ability, and material saving The effect of consumption

Active Publication Date: 2021-07-02
ANHUI ZANJIATIAN ECOLOGICAL AGRI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are products processed from purple bud tea on the market, but their preparation rate is low, and the active ingredients of purple bud tea prepared by organic solvent purification are destroyed to varying degrees

Method used

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  • Functional health tea and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The preparation method of purple bud tea extract is as follows:

[0022] (1) Pretreatment: Take purple bud tea leaves with a water content of 3% and vitamin C solution with a concentration of 15% to mix according to the mass ratio of 1:5, and then put them into a freezer with a temperature of -10°C for 60 minutes; After freezing, thaw at room temperature until the ice cubes are completely melted, then add 2% sodium bicarbonate solution by volume of the mixed solution, let it stand for 20 minutes, heat it in a water bath at 60°C for 8 hours, filter, and take the filtrate to obtain the pretreatment solution;

[0023] (2) Rough extraction: the pretreatment liquid is subjected to micro-jet extraction with a micro-jet homogenizer, the extraction solvent is water, the extraction temperature is 20°C, the extraction pressure is 310Mpa, and the mass ratio of the extraction solvent to the pre-treatment liquid is 40:1 , the extraction feed rate is 5L / min to obtain the extract;

...

Embodiment 2

[0030] The preparation method of purple bud tea extract is as follows:

[0031] (1) Pretreatment: Take purple bud tea leaves with a water content of 5% and a vitamin C solution with a concentration of 15% to mix according to a mass ratio of 1:7, and then put them into a freezer at a temperature of -5°C for 80 minutes; After freezing, thaw at room temperature until the ice cubes are completely melted, then add 3% sodium bicarbonate solution of the mixed solution volume, let it stand for 30 minutes, heat it in a water bath at 70°C for 12 hours, filter, and take the filtrate to obtain the pretreatment solution;

[0032] (2) Rough extraction: the pretreatment liquid is subjected to micro-jet extraction with a micro-jet homogenizer, the extraction solvent is water, the extraction temperature is 30°C, the extraction pressure is 310Mpa, and the mass ratio of the extraction solvent to the pre-treatment liquid is 50:1 , the extraction feed rate is 20L / min to obtain the extract;

[003...

Embodiment 3

[0039] The preparation method of purple bud tea extract is as follows:

[0040] (1) Pretreatment: Take purple bud tea leaves with a water content of 4% and vitamin C solution with a concentration of 15% to mix according to the mass ratio of 1:6, and then put them into a freezer with a temperature of -7°C for 70 minutes; After freezing, thaw at room temperature until the ice cubes are completely melted, then add 2.5% sodium bicarbonate solution by volume of the mixed solution, let it stand for 25 minutes, heat it in a water bath at 65°C for 9 hours, filter, and take the filtrate to obtain the pretreatment solution;

[0041] (2) Rough extraction: the pretreatment liquid is subjected to micro-jet extraction with a micro-jet homogenizer, the extraction solvent is water, the extraction temperature is 25°C, the extraction pressure is 310Mpa, and the mass ratio of the extraction solvent to the pre-treatment liquid is 45:1 , the extraction feed rate is 10L / min to obtain the extract; ...

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Abstract

The invention discloses functional health-care tea and a preparation method thereof, and relates to the technical field of tea processing. The preparation method of the functional health-care tea of ​​the present invention comprises preparing purple bud tea extract and green tea powder through the steps of powder mixing, molding and drying, wherein the purple bud tea extract is prepared through the steps of pretreatment, rough extraction, purification and refining, etc. made. The invention extracts effective substances through micro-jet flow and electrodialysis, has high extraction efficiency, less damage to anthocyanins of purple bud tea, higher extraction purity, and the obtained finished product has good health care effect.

Description

technical field [0001] The invention relates to the technical field of tea processing, in particular to functional health-care tea and a preparation method thereof. Background technique [0002] Purple bud tea is a tea named according to the color characteristics of the young buds and leaves of the tea green raw material. It is a finished or semi-finished product formed after processing tea greens from tea trees whose young buds and leaves are purple. Among the tea trees cultivated in my country, there are not many buds and leaves that are purple. In addition to the cultivation of ornamental tea trees, the conscious cultivation of purple bud-leaf tea trees is even rarer. National representative varieties mainly include "Zijuan" bred by the Tea Research Institute of Yunnan Academy of Agricultural Sciences, "Moss Fragrant Purple" bred in Zhejiang Province, "Dahongpao" and "Hongya Bergamot" bred in Fujian. [0003] The content of anthocyanins in purple bud tea is much higher ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23F3/06A23F3/32
CPCA23F3/06A23F3/32
Inventor 张子祥
Owner ANHUI ZANJIATIAN ECOLOGICAL AGRI CO LTD
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