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Low-caffeine and high-GABA (Gamma Amino Acid Butyric Acid) health protection tea

A low-caffeine, health-care tea technology, applied in the direction of pre-extraction tea treatment, etc., can solve the problems of high caffeine content and poor flavor, and achieve the effects of increasing the content, reducing the odor of anaerobic treatment, and having a broad market prospect.

Active Publication Date: 2014-02-19
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after these technologies are processed, there are defects such as high caffeine content and bad flavor (a strong odor after degassing treatment)

Method used

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  • Low-caffeine and high-GABA (Gamma Amino Acid Butyric Acid) health protection tea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] (1) Picking fresh leaves: picking fresh leaves of a tea tree with one bud and two leaves as raw materials, airing moderately to remove surface moisture, divided into A and B treatments, A is the control and directly enters step (3), and B enters step (2);

[0016] (2) Vacuum nitrogen filling treatment: Treat the fresh tea tree leaves of treatment B under vacuum nitrogen filling conditions for 3 hours respectively. Go to step (3);

[0017] (3) Gradient cooling in hot water, dipping, rinsing and decaffeination: Mix A, B, and treated tea leaves with hot water in a mass ratio of (1:15) to make the temperature of the mixed leaf water at 80°C for 150 seconds. Then quickly remove the tea leaves and soak them in a loose amount of warm water at 50°C for 15 minutes, then remove the fresh leaves and rinse them with cold water to complete the decaffeination step. Go to step (4);

[0018] (4) Dehydration and dehumidification: Fresh leaves are filtered through a vibrating tank and ...

Embodiment 2

[0027] (1) Picking fresh leaves: picking fresh leaves of one-bud and two-leaf tea trees as raw materials, spreading them in the air to remove surface moisture, and proceeding to step (2);

[0028] (2) Vacuum nitrogen filling treatment: Treat the fresh tea tree leaves under vacuum nitrogen filling conditions for 8 hours respectively. It is divided into C and D treatments, C is the control and directly enters step (4), and D enters step (3);

[0029] (3) Gradient cooling in hot water, steeping, rinsing and decaffeination: Mix the tea leaves treated with D with hot water at a ratio of (1:15) evenly, keep the water temperature at 80°C for 300 seconds after mixing, and then quickly remove the tea leaves Immerse in loose warm water at 50°C and keep for 15 minutes, then remove the fresh leaves and rinse with cold water to complete the decaffeination step. Go to step (4);

[0030] (4) Dehydration and dehumidification: Fresh leaves are filtered through a vibrating tank and dehydrated...

Embodiment 3

[0039] (1) Picking fresh leaves: picking fresh leaves of one-bud and two-leaf tea trees as raw materials, drying them properly to remove surface moisture, and dividing them into E and F treatments. F enters step (2);

[0040] (2) Vacuum nitrogen filling treatment: Treat the fresh leaves of the F-treated tea tree under vacuum nitrogen filling conditions for 5 hours respectively. Go to step (3);

[0041] (3) Gradient cooling in hot water, steeping, rinsing and decaffeination: Mix F-treated tea leaves with hot water in a ratio of (1:15) to keep the temperature of the leaf water at 80°C for 300 seconds, then quickly remove the tea leaves Immerse in loose warm water at 50°C and keep for 15 minutes, then remove the fresh leaves and rinse with cold water to complete the decaffeination step. Go to step (4);

[0042] (4) Dehydration and dehumidification: Fresh leaves are filtered through a vibrating tank and dehydrated by a centrifuge to remove water on the surface of the buds and l...

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Abstract

The invention discloses low-caffeine and high-GABA (Gamma Amino Acid Butyric Acid) health protection tea, and belongs to the technical field of processing of health protection tea. The health protection tea is prepared by the following steps: fresh tea tree leaves are treated for 3-12 hours in vacuum under the nitrogen charge condition, and are gradually cooled, dipped and rinsed by hot water to remove caffeine and anaerobic smell, then are dehumidified, rubbed and dried to obtain the product, wherein the caffeine is removed through gradually cooling, dipping and rinsing by using the hot water as follows: the treated fresh tea tree leaves are dipped in the hot water, and are kept for 30-300 seconds at the leaf water temperature of 80-90 DEG C; then the tea is quickly dipped in warm water, and is kept for 3-30 minutes at the leaf water temperature of 40-75 DEG C; and finally, the tea is taken out to cool by using cold water.

Description

technical field [0001] The invention relates to the technical field of health-care tea processing, in particular to a low-caffeine, high-GABA health-care tea. Background technique [0002] Tea is made from the buds, leaves and tender stems of the tea plants of the Theaceae family Camellia genus, and contains caffeine, tea polyphenols, tea polysaccharides, theanine and other ingredients. Drinking tea has the functions of eliminating free radicals in the body, anti-oxidation, anti-cancer, anti-aging, anti-fatigue, lowering blood fat, lowering blood pressure, and improving immunity. It is known as the healthiest drink in the 21st century. [0003] γ-Aminobutyric acid (GABA for short) has a variety of physiological regulation functions: ① Anti-arrhythmia; ② Improving blood circulation in the brain, improving sleep, and promoting long-term memory; ③ Lowering blood pressure; ④ Promoting growth hormone secretion and activating the liver , Kidney cells, effectively improve sexual f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23F3/06
Inventor 陈文品祖峰许玫朱永昌陈剑秋
Owner SOUTH CHINA AGRI UNIV
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