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Preparation method of concentrated green tea solution

A technology of green tea concentrate and material liquid, which is applied in the field of tea beverage manufacturing, and can solve problems such as poor extraction effect and poor quality of tea concentrate

Inactive Publication Date: 2018-12-21
安徽省萃华科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a preparation method of green tea concentrate, which solves the problems of poor extraction effect and poor quality of tea concentrate in the existing technology

Method used

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Embodiment

[0027] A kind of preparation method of green tea concentrated liquid, is raw material with the bright leaf of one bud three leaves of Huangshan tea tree, comprises the following steps:

[0028] S1, fresh leaf treatment:

[0029] First, the picked fresh leaves are quick-frozen at -15°C, and then the quick-frozen fresh leaves are spread on the conveyor belt of the microwave greening machine with a thickness of 3 to 4 cm, and the fresh leaves are subjected to microwave action for 4 minutes.

[0030] Then put the leaves after microwave action into the segmented composite de-enzyming machine, the initial leaf-throwing temperature is 280°C, the initial de-enzyming time is 1-2min, then slowly cool down to the de-enzyming temperature of 140°C, and the subsequent de-enzyming time is 3-4min. The segmented compound de-greening machine is a horizontal single-screw compound de-greening machine. When working, the screw pushes the blades to convey to the discharge port, and the screws are arra...

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Abstract

The invention discloses a preparation method of a concentrated green tea solution. Fresh leaves of one-bud-three-leaf tea trees planted in Huangshan are taken as a raw material, and the preparation method comprises steps of fresh leaf treatment, deionized water preparation, low-temperature extraction, rough filtration, fine filtration, ultrafiltration, concentration, blending, sterilization and sterile filling. A special 20-40-mesh raw material is prepared by selection of excellent tea tree variety, sharp freezing, microwave thawing and fixation, buffeting, cutting and screening, then pH is regulated, under the actions of vortex produced by tank rotation and dynamic water flow produced by tank top spraying, tea polyphenol, amino acid, caffeine, protein and pectin which determine tea soup quality are dissolved out in a certain ratio, dissolution rate of effective components in tea is increased, extraction time is shortened, and extraction efficiency is improved.

Description

technical field [0001] The invention belongs to the field of tea beverage manufacture, and in particular relates to a preparation method of a green tea concentrate. Background technique [0002] With the development of society and the acceleration of the pace of life, people require beverages to be convenient, nutritious and exciting, so the traditional way of drinking tea can no longer fully meet the needs of the development of the times. Tea beverage is a liquid beverage processed from tea extract or its concentrated juice and instant tea powder. Tea beverages first appeared in the United States in 1972, and have become popular in Japan and Taiwan in recent years. With the successful development of canned oolong tea in Japan in the 1980s, the tea beverage industry has entered a rapid development track. In recent years, my country's tea beverages have developed rapidly, but the browning of tea beverages, turbidity and precipitation, and lack of aroma are major problems in ...

Claims

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Application Information

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IPC IPC(8): A23F3/06A23F3/18
CPCA23F3/06A23F3/18
Inventor 吴卫国黄琳方泽基张升红江稳华程自红
Owner 安徽省萃华科技股份有限公司
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