Microwave and light wave compound de-enzyme process

A light wave and de-enzyming technology, which is applied in tea treatment before extraction, can solve the problem of low energy consumption in the de-enzyming process, and achieve the effects of high energy utilization, short heating time and high efficiency

Inactive Publication Date: 2017-05-31
贵州安顺春来茶业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above-mentioned technical problems existing in the prior art, the present invention provides a microwave and light-wave compound deenzyming method. The tea leaves prepared by the deenzyming method of the present invention are of high quality, high in nutrition, fragrant in smell and delicious in taste; High performance, low energy consumption, and easy operation solve many shortcomings of traditional fixing

Method used

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  • Microwave and light wave compound de-enzyme process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Spread green: Pick green tea shoots or leaves that meet the standards, spread them on a clean utensil, the thickness of the spread is 5 cm, the time is 7 hours, turn the leaves every hour, and the spread time is not suitable It is too long to avoid stuffy smell, until the water content of the leaves is 65%, and the weight loss rate reaches 16%. At this time, the leaves become soft and give off a delicate fragrance, and the greening stage can be entered;

[0025] (2) Fixing: use microwave and light wave compound fixing machine to fix the green leaves, set the microwave power of the fixing bin to 800W, and the light wave power to 1000W, when the predetermined temperature is 80-82°C, put the leaves to be fixed on the conveyor belt, When the blade reaches the greening chamber, it will beat and move forward continuously with the vibrating plate, so that the blade will be heated evenly and keep for 1 minute;

[0026] (3) Kneading: quickly transport the green leaves to the...

Embodiment 2

[0030] (1) Spread green: Pick green tea shoots or leaves that meet the standards, spread them on a clean utensil, the thickness of the spread is 6 cm, the time is 12 hours, turn the leaves every hour, and the spread time is not suitable It is too long to avoid stuffy smell, until the water content of the leaves is 67%, and the weight loss rate reaches 18%. At this time, the leaves become soft and give off a delicate fragrance, and the greening stage can be entered;

[0031] (2) Fixing: use microwave and light wave compound fixing machine to fix the green leaves, set the microwave power of the fixing bin to 1000W, and the light wave power to 700W, when the predetermined temperature is 82-84°C, put the leaves to be fixed on the conveyor belt, When the blade arrives in the killing chamber, it will beat and move forward continuously with the vibrating plate, so that the blade will be heated evenly and keep for 3 minutes;

[0032] (3) Kneading: Quickly transport the green leaves to...

Embodiment 3

[0036] (1) Spread green: Pick green tea shoots or leaves that meet the standards, spread them on a clean utensil, the thickness of the spread is 6 cm, the time is 10 hours, turn the leaves every hour, and the spread time is not suitable It is too long to avoid stuffy smell, until the water content of the leaves is 68%, and the weight loss rate reaches 17%. At this time, the leaves become soft and give off a delicate fragrance, and the greening stage can be entered;

[0037] (2) Fixing: Use microwave and light wave compound fixing machine to fix green leaves. Set the microwave power of the fixing bin to 1200W, and the light wave power to 800W. After reaching the predetermined temperature of 85-87°C, put the green leaves to be fixed on the conveyor belt. When the blade arrives in the killing chamber, it will beat and move forward continuously with the vibrating plate, so that the blade will be heated evenly and keep for 2 minutes;

[0038] (3) Kneading: quickly transport the gre...

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Abstract

The invention relates to the technical field of tea processing and in particular relates to a microwave and light wave compound de-enzyme process. The microwave and light wave compound de-enzyme process comprises five processing procedures of tedding of fresh leaves, de-enzyming, twisting, secondary de-enzyming and secondary twisting; a prepared tea product has the advantages of high quality, high nutrition, fragrant flavor and delicious taste; in addition, a de-enzyme process has the advantages of high working efficiency, low energy consumption and easiness in operation.

Description

technical field [0001] The invention relates to the technical field of tea processing, in particular to a microwave and light wave compound green tea removal process. Background technique [0002] Fixing is a key process in the primary production of green tea, which plays a decisive role in the quality of green tea. It mainly destroys the activities of polyphenol oxidase and peroxidase in fresh leaves through high temperature, prevents the oxidation of polyphenols, and prevents leaves from turning green. At the same time, part of the water in the leaves is evaporated to make the leaves soft. This process has a significant impact on the appearance, color, aroma and taste of the finished tea. [0003] At present, the commonly used deenzyming methods include steam deenzyming, microwave deenzyming, hot air deenzyming, and roller deenzyming; among them, steam deenzyming and microwave deenzyming methods quickly inactivate enzyme activity, fresh leaves are heated evenly, and the br...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/06
CPCA23F3/06
Inventor 沈强龙文琴熊双勇
Owner 贵州安顺春来茶业有限公司
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