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Process combination for preparing fresh tea flavor extract

A technology of flavor extract and black tea extract is applied in the field of preparing fresh tea flavor green tea or black tea extract, and can solve the problems of unstable color and easy precipitation of products.

Inactive Publication Date: 2010-12-08
广州泽力医药科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fresh leaf tea juice is generally prepared by crushing and pressing green leaves. The prepared product is easy to precipitate during storage, has unstable color and has "cooked soup taste" and other quality problems.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047]Preparation of fresh tea leaf flavor green tea beverage:

[0048] Main equipment: stainless steel tea washing tank, universal grinder, mixing tank, high pressure homogenizer, three-legged centrifuge, 500nm ceramic membrane filter, nanofiltration concentrator.

[0049] Raw materials: 50kg of fresh leaves of Yunnan big-leaf species summer tea "One Gun Two to Four Banners".

[0050] making process:

[0051] 1. Tea washing: Put fresh tea leaves into a stainless steel tea washing tank, and wash them with flowing purified water until the drained water is clear and free of impurities and particles visible to the naked eye.

[0052] 2. Grinding: Grind the fresh tea leaves with a universal grinder pre-installed with a 5mm sieve, add 100kg of 1% citric acid purified aqueous solution containing ice to the grinding, and pass the crushed fresh tea-ice water mixture through a pre-installed 1.2mm sieve Pulverize with a universal pulverizer to obtain 150kg of fresh tealeaves ice-water...

Embodiment 2

[0059] Preparation of fresh tea flavor black tea extract

[0060] Main equipment: stainless steel tea washing tank, universal grinder, mixing tank, high pressure homogenizer, three-legged centrifuge, 500nm ceramic membrane filter, nanofiltration concentrator.

[0061] Raw materials: 50kg of fresh leaves of Yunnan big-leaf species summer tea "One Gun Two to Four Banners".

[0062] making process:

[0063] 1. Tea washing: Put fresh tea leaves into a stainless steel tea washing tank, and wash them with flowing purified water until the drained water is clear and free of impurities and particles visible to the naked eye.

[0064] 2. Grinding: Grind the fresh tea leaves with a universal grinder pre-installed with a 5mm sieve, add 50kg of purified water at 20-25°C to the pulverization, and obtain 100kg of fresh tea-water suspension, let it stand for 12 hours, and the tea fragments will turn red Overwhelmed.

[0065] 3. Re-grinding: Use a universal grinder pre-installed with a 1.2m...

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PUM

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Abstract

The invention mainly relates to process combination for preparing a fresh tea flavor extract, in particular to the process combination for preparing a fresh tea flavor green or black tea extract from fresh tea without fixing at a low temperature by crushing, homogenization, centrifuging, microfiltration and membrane concentration processes.

Description

technical field [0001] The present invention mainly relates to a process combination for the preparation of fresh tea flavor extracts, especially a method for preparing fresh tea flavor extracts under low temperature conditions by using uncooked fresh tea leaves, which consists of crushing, homogenization, centrifugation, microfiltration, and membrane concentration processes. Craft mix of green or black tea extracts. Background technique [0002] Fresh leaf flavored tea beverage is a new type of tea beverage, which has the characteristics of bright color, refreshing taste and pure aroma, and can maintain the unique natural flavor of tea. Fresh leaf tea juice is generally prepared by crushing and pressing green leaves. The prepared product has quality problems such as easy precipitation, unstable color and "cooked soup taste" during storage. [0003] Tea polyphenols in fresh leaves are easily oxidized by oxygen in the air, especially in the presence of aqueous solution and p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/40A23F3/18
Inventor 宋力飞罗俊李曼莎
Owner 广州泽力医药科技有限公司
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