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Green tea processing technology

A processing technology, green tea technology, applied in tea treatment before extraction, etc., can solve the problems of tea integrity damage, tea endoplasmic components reduction, and inability to retain tea endoplasma, etc., to achieve emerald green color, sweet aftertaste, and bright green-yellow soup clear effect

Inactive Publication Date: 2014-10-22
贵州都云毛尖茶叶有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The defect of the traditional green tea processing technology is that the inner quality of the tea cannot be preserved more, because the temperature for killing green tea is 140-300 degrees, or even higher, which leads to the reduction of some inner quality components of the tea, such as aroma components; and excessive rolling And shaping, will also destroy the integrity of the tea

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The green tea processing technology described in the present embodiment comprises the following steps:

[0016] 1. After picking fresh tea leaves, after acceptance, spread the fresh tea leaves to dry;

[0017] 2. Freeze the tea raw materials at -20°C to 6°C for 6 to 24 hours;

[0018] 3. After the frozen tea leaves are withered for 6 hours, turn them every 30 minutes for the first 3 hours; turn them every 1 hour for the next 3 hours;

[0019] 4. After the withering is completed, measure the water content in the tea raw materials, and calculate the time required to dry the tea raw materials; taking 4 kg of tea raw materials as an example, the displacement to be evaporated is 2.7 kg, and it takes 135 minutes to complete the drying;

[0020] 5. Dry the raw tea leaves in vacuum microwave equipment until the moisture content in the tea raw materials is 3%-6%, and then the finished green tea is obtained. In this step, the working temperature of the vacuum microwave equipmen...

Embodiment 2

[0022] The green tea processing technology described in the present embodiment comprises the following steps:

[0023] 1. After picking fresh tea leaves, after acceptance, spread the fresh tea leaves to dry;

[0024] 2. Freeze the tea raw materials at -10°C to 2°C for 8 to 16 hours;

[0025] 3. After the frozen tea leaves are withered for 6 hours, turn them every 30 minutes for the first 3 hours; turn them every 1 hour for the next 3 hours;

[0026] 4. After the withering is completed, measure the water content in the tea raw materials, and calculate the time required to dry the tea raw materials; taking 4 kg of tea raw materials as an example, the displacement to be evaporated is 2.7 kg, and it takes 135 minutes to complete the drying;

[0027] 5. Dry the raw tea leaves in vacuum microwave equipment until the moisture content in the tea raw materials is 3%-6%, and then the finished green tea is obtained. In this step, the operating temperature of the vacuum microwave equipm...

Embodiment 3

[0029] The green tea processing technology described in the present embodiment comprises the following steps:

[0030] 1. After picking fresh tea leaves, after acceptance, spread the fresh tea leaves to dry;

[0031] 2. Freeze the tea raw materials at 6°C-0°C for 10-12 hours;

[0032] 3. After the frozen tea leaves are withered for 6 hours, turn them every 30 minutes for the first 3 hours; turn them every 1 hour for the next 3 hours;

[0033] 4. After the withering is completed, measure the water content in the tea raw materials, and calculate the time required to dry the tea raw materials; taking 4 kg of tea raw materials as an example, the displacement to be evaporated is 2.7 kg, and it takes 135 minutes to complete the drying;

[0034] 5. Dry the tea raw materials in vacuum microwave equipment until the water content in the tea raw materials is 3%-6%, that is, the finished green tea is obtained, and the integrity rate reaches 100%. In this step, the operating temperature ...

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PUM

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Abstract

The invention relates to a green tea processing technology, and belongs to the tea processing technology. The green tea processing technology includes the following steps: spreading and drying picked fresh tea leaves in air, and freezing for 6 to 24 hours under the condition of the temperature of -20 to 6 DEG C; firstly withering the frozen tea leaf raw material for 6 hours; after withering is completed, measuring and calculating the water content in the tea leaf raw material, and calculating the time required for drying the tea leaf raw material; and drying the tea leaf raw material in a vacuum microwave device, drying until the water content of the tea leaf raw material is 3% to 6%, and thus obtaining the green tea finished product. The green tea prepared by the technology is tight and slender in strip ropes, jade green in color and luster, green yellow, bright and clear in liquor color, and rich in nutrition, has pekoe revealed, also can be brewed with cold or hot purified water, and has lasting tea aroma.

Description

technical field [0001] The invention relates to a green tea processing technology, which belongs to the field of tea processing technology. Background technique [0002] Green tea refers to the fresh leaves of tea trees, which have not been fermented, and after typical processes such as greening, rolling, and drying, the color of the finished product and the tea soup after brewing mostly retain the green main tone of fresh tea leaves. Drinking green tea regularly can prevent cancer, lower blood fat, and prevent computer radiation. [0003] In the prior art, the processing technology of green tea is simply divided into three steps of finishing, kneading and drying, wherein the key lies in the first process of initial preparation, namely finishing. The fresh tea leaves are greened, the enzyme activity is inactivated, and the various chemical components contained in it are basically subjected to physical and chemical changes by thermal action without the influence of enzymes, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/06
Inventor 蔡邦红曹泳蔡佳杰
Owner 贵州都云毛尖茶叶有限公司
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