Processing method of green tea powder

A processing method and technology of green tea powder, applied in the direction of tea treatment before extraction, etc., can solve the problems of low extraction rate of active ingredients, affecting the quality of green tea powder, and loss of active ingredients, so as to reduce the loss of nutrients, ensure the fineness, and speed up the extraction process. The effect of the dehydration process

Inactive Publication Date: 2015-01-28
GUIZHOU FANGRUITANG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the application of tea on the market is mostly in the preparation of tea leaves and the production of tea beverages, while green tea powder still needs more promotion and application. Green tea powder can retain the original nutrients of green tea to the greatest extent, but The active ingredients of green tea will be lost during the tea making process, but green tea powder will not
The traditional green tea powder processing process has the problems of low extraction rate of active ingredients and long extraction time, which will seriously affect the quality of green tea powder

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A processing method of green tea powder, the method comprising the following steps:

[0021] a. Material selection: Choose fresh leaves with one bud and two leaves and one bud and three leaves as raw materials;

[0022] b. Steam curing: After the selected fresh leaves are naturally spread for 1 hour, they are sent to a steam curing machine for curing. The thickness of the tea feed is 15mm, the curing temperature is 135℃, and the curing time is 25s. The content of the tea after steam curing Water volume is 58%;

[0023] c. Kneading: Pressurized kneading is used for kneading, the speed of the kneading machine is 45r / min, the kneading time is 4min, and the moisture content of the tea leaves after kneading is 38%;

[0024] d. Drying: use a dryer to dry the kneaded tea leaves, control the temperature at 115°C, the time is 20 minutes, and the moisture content of the dried tea leaves is 9%;

[0025] e. Coarse pulverization: use a turbo-type pulverizer to coarsely pulverize the dried te...

Embodiment 2

[0028] A processing method of green tea powder, the method comprising the following steps:

[0029] a. Material selection: Choose fresh leaves with one bud and two leaves and one bud and three leaves as raw materials;

[0030] b. Steam curing: After the selected fresh leaves are naturally spread for 1 hour, they are sent to a steam curing machine for curing. The thickness of the tea feed is 15mm, the curing temperature is 135℃, and the curing time is 27s. The content of the tea after steam curing Water volume is 55%;

[0031] c. Kneading: pressure kneading is used for kneading, the speed of the kneading machine is 45r / min, the kneading time is 4min, and the water content of the tea leaves after kneading is 37%;

[0032] d. Drying: use a dryer to dry the kneaded tea leaves, control the temperature at 115°C, the time is 22 minutes, and the moisture content of the dried tea leaves is 8%;

[0033] e. Coarse pulverization: Use a turbo-type pulverizer to coarsely pulverize the dried tea, the...

Embodiment 3

[0036] A processing method of green tea powder, the method comprising the following steps:

[0037] a. Material selection: Choose fresh leaves with one bud and two leaves and one bud and three leaves as raw materials;

[0038] b. Steam curing: After the selected fresh leaves are naturally spread for 1.5h, they are sent to the steam curing machine for curing. The thickness of the tea feed is 15.5mm, the curing temperature is 140℃, and the curing time is 30s. After the tea is steam-cured The water content is 56%;

[0039] c. Kneading: pressure kneading is used for kneading, the speed of the kneading machine is 50r / min, the kneading time is 5min, and the moisture content of the tea leaves after kneading is 36%;

[0040] d. Drying: use a dryer to dry the kneaded tea leaves, control the temperature at 120°C, the time is 23 minutes, and the moisture content of the tea leaves after drying is 7%;

[0041] e. Coarse pulverization: use a turbo-type pulverizer to coarsely pulverize the dried tea,...

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PUM

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Abstract

The invention discloses a processing method of green tea powder. The method comprises the following steps: selecting materials, carrying out fixation by steam, rolling, drying, performing coarse grinding and superfine grinding. The tea is pretreated by fixation by steam, activity of oxidase is rapidly passivated, tea cells are crushed after the reasonable rolling, so that water of the tea is extruded of surface of the tea, the water loss is accelerated, and loss of nutrient substances in tea is reduced, the original nutritional ingredients, pharmacological ingredients, and natural color of raw materials are kept to the greatest extent for the processed green tea powder through a manner of combining coarse grinding and superfine grinding, so that the green tea powder has good dispersibility, and the fineness of the green tea powder is guaranteed.

Description

Technical field [0001] The invention relates to the technical field of tea processing, in particular to a processing method of green tea powder. Background technique [0002] Green tea powder is an ultra-fine powdered green tea with emerald green color, delicate, nutritious, healthy and natural green tea. The green tea powder processed by ultra-fine powder grinding equipment at an instant and constant low temperature keeps the original natural green color and nutritional and pharmacological components of green tea to the maximum. In addition to direct drinking, it can be widely used in green tea cakes, green tea bread, green tea noodles, and green tea Biscuits, green tea tofu; green tea panna cotta, green tea ice cream, quick-frozen green tea glutinous rice balls, green tea ice cream, green tea yogurt; green tea candies, green tea chocolate, green tea seeds, green tea mooncake fillings, medicines and health products, cosmetics, household chemicals, etc. In order to strengthen it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/06A23F3/12A23F3/14
Inventor 张恩荣杨艳群张茂谯文江
Owner GUIZHOU FANGRUITANG BIOTECH
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