Process for manufacturing tea products

a technology for tea products and processing methods, applied in tea extraction, drug compositions, metabolic disorders, etc., can solve the problems of bringing unwanted bitterness or astringency to tea beverages, unstable tea beverages, and haze to tea beverages, so as to reduce the amount of caffeine in tea juice expressed from dhool, the effect of reducing the proportion of gallated theaflavins and reducing the proportion of caffein
US20090117229A1Inactive Publication Date: 2009-05-07CONOPCO INC D B A UNILEVER
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
CONOPCO INC D B A UNILEVER
Publication Date
2009-05-07
Estimated Expiration
Not applicable · inactive patent
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Abstract

Disclosed is a process comprising the steps of: providing fresh tea leaves comprising catechins; macerating the fresh tea leaves thereby to produce dhool; fermenting the dhool for a fermentation time (tF) sufficient to reduce the content of catechins in the dhool to less than 50% of the content of catechins in the fresh tea leaves prior to maceration on a dry weight basis; and then expressing juice from the fermented dhool thereby to produce leaf residue and tea juice, wherein the amount of expressed juice is at least 50 ml per kg of the fresh tea leaves.
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Description

TECHNICAL FIELD OF THE INVENTION

[0001] The present invention relates to a process for manufacturing tea products. In particular, the present invention relates to a process for manufacturing tea products from juice expressed from fermented tea leaves.BACKGROUND TO THE INVENTION

[0002] Beverages based on the tea plant (Camellia sinensis) have been popular throughout the world for many hundreds of years. Traditionally such beverages are produced by infusing leaf tea in hot water.

[0003] Although many consumers still enjoy beverages made from leaf tea, it is becoming increasingly popular to enjoy tea beverages prepared in more convenient ways. For example, tea beverages can be prepared from instant powders which are free from insoluble leaf tea and so dissolve rapidly and completely on contact with hot water. These powder products are usually manufactured by a process comprising extracting leaf tea with water and drying the resulting extract. Also popular are packaged ready-to-drink beverage...

Claims

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