Processing method of Gushu green tea

A processing method and technology of green tea, which is applied in the processing field of ancient green tea, can solve the problems of long curing time, red stalks, red leaves, yellow stuffiness, etc., and achieve the effect of pure taste, bright tea and beautiful appearance

Inactive Publication Date: 2017-09-05
云龙县沧江古树茶厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional way to fix greens is to stir fry them in a pot, but it requires high operation skills. If you are not careful, it is easy to cause red stalks, red leaves, and yellow stuffiness in the tea leaves. Moreover, it takes a long time to finish green tea, resulting in a long processing time for green tea.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of processing method of ancient tree green tea, concrete steps are as follows:

[0023] (1) Choose one bud, two leaves, and three leaves at the top of Yunnan big-leaf tea that is more than 100 years old in March;

[0024] (2) spread out the picked fresh leaves and carry out withering treatment, the spread thickness is 5cm, and blow cold wind for 5 hours, and the temperature of cold wind is 2°C;

[0025] (4) place the tealeaves after the withering treatment in the airtight and heat-preserving room, sprinkle water on the ground in the room, and keep the moisture content of the tealeaves after cooling at 64%;

[0026] (5) Put the tea leaves in a degreening machine, heat them to 130°C, and heat them at high temperature for 1 minute; then lower the temperature of the tea leaves to -20°C within 1 minute, and keep them for 15 minutes; then put the tea leaves in a microwave machine, and heat them to 100°C ℃, and the air pressure in the microwave machine is reduced to 0....

Embodiment 2

[0032] A kind of processing method of ancient tree green tea, concrete steps are as follows:

[0033] (1) Choose one bud, two leaves and three leaves at the top of Yunnan big-leaf tea which is more than 100 years old in April;

[0034] (2) spread out the picked fresh leaves for withering treatment, the spread thickness is 6cm, blow cold wind for 5.5h, and the cold wind temperature is 2.5°C;

[0035] (4) place the tealeaves after the withering process in an airtight and heat-preserving room, sprinkle water on the ground in the room, and keep the moisture content of the tealeaves after cooling at 66%;

[0036] (5) Put the tea leaves in a degreening machine, heat them to 135°C, and heat them at high temperature for 1.5 minutes; then lower the temperature of the tea leaves to -15°C within 1 minute, and keep them for 18 minutes; then put the tea leaves in a microwave machine, and heat them to 105°C, and reduce the air pressure in the microwave machine to 0.35 atmospheres, and kill...

Embodiment 3

[0042] A kind of processing method of ancient tree green tea, concrete steps are as follows:

[0043] (1) Select one bud, two leaves and three leaves at the top of Yunnan big-leaf tea that is more than 100 years old in May;

[0044] (2) spread out the picked fresh leaves and carry out withering treatment, the spreading thickness is 8cm, blowing cold wind for 6h, and the temperature of cold wind is 3°C;

[0045] (4) place the tealeaves after withering in the room of airtight heat preservation, sprinkle water on the ground in the room, and the moisture content of the tealeaves after cooling remains at 68%;

[0046] (5) Put the tea leaves in a degreening machine, heat them to 140°C, and heat them at high temperature for 2 minutes; then lower the temperature of the tea leaves to -10°C within 1 minute, and keep them for 20 minutes; then put the tea leaves in a microwave machine, and heat them to 110°C ℃, and reduce the air pressure in the microwave machine to 0.4 atmospheres, and ...

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PUM

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Abstract

The invention discloses a processing method of Gushu green tea. The processing method comprises the specific steps of picking tea leaves; performing withering treatment; performing spreading for cooling; performing fixation; after the fixation of the tea leaves is completed, lowering the temperature of the tea leaves to room temperature, then sprinkling a complex enzyme solution to the tea leaves, and then placing the treated tea leaves into a fixation machine; conveying the fixation tea leaves into a twisting machine, and performing twisting to obtain semi-finished tea products; placing the semi-finished tea products into a final-panning machine, performing uniform drying and depilation; and performing packaging, and performing warehousing. According to the processing method disclosed by the invention, the proportion of tea polyphenols presenting harsh taste is reduced, the proportion and the content of free-state amino acid compounds reflecting fresh and refreshing characteristics are increased, and a withering dehydration technology is increased, so that the obtained dried tea is bright green in color, and tea soup obtained by brewing the dried tea with boiling water is green in color; a final-panning treatment technology is added, so that the inside and the outside of the tea leaves are uniformly dried, moisture is removed, and the fragrance of the green tea is rich; and the depilation is performed on the tea leaves, so that the tea leaves are bright and artistic in shapes, and above all, the tea soup obtained by brewing the tea leaves is free from scraps, fresh in fragrance and pure in mouth feel.

Description

technical field [0001] The invention relates to the technical field of tea production, in particular to a processing method of ancient green tea. Background technique [0002] "Tea" is an inseparable thing in people's daily life, because it is rich in a variety of ingredients that are beneficial to the human body, such as amino acids, tea polyphenols, vitamin C, caffeine, trace elements, etc., and it is easy to drink and has a certain The function of health care has been loved by people since ancient times. In order to meet the needs of the public, various types of tea such as green tea, black tea, oolong tea, Puer tea, etc. have emerged as the times require. For green tea alone, it presents a colorful situation due to differences in origin, raw materials, and processing techniques. There are tens of thousands of varieties, and their appearance, inner quality, color, fragrance, and taste all have their own advantages and disadvantages, and so on. [0003] Green tea is the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/06A23F3/14A23F3/12
CPCA23F3/06A23F3/12A23F3/14
Inventor 李志国
Owner 云龙县沧江古树茶厂
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