Preparation process of purified green-tea extract

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United States of America Patent

PATENT NO 8697171
APP PUB NO 20070059424A1
SERIAL NO

11511321

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Abstract

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Provided are a preparation process of a purified green-tea extract capable of easily and efficiently removing a turbidity component contained in a green tea extract; a purified green-tea extract prepared by the preparation process; and a packaged beverage containing the purified green-tea extract. The preparation process of a purified green-tea extract containing, in the solid content thereof, from 36 to 99 mass % of non-polymer catechins comprises bringing a green tea extract into contact with a mixed solution containing an organic solvent and water at a mass ratio of from 65/35 to 97/3 and active carbon and/or acid clay or active clay, adjusting the organic solvent/water mass ratio of the resulting solution to from 0/100 to 85/15, and then separating the turbidity component thus separated.

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Patent Owner(s)

Patent OwnerAddress
KAO CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Tetsuya Kamisu, JP 256 2416
Hoshino, Eiichi Sumida-ku, JP 43 431
Hosoya, Naoki Sumida-ku, JP 48 438
Iwasaki, Masaki Sumida-ku, JP 30 298
Maruyama, Eizo Kamisu, JP 11 40
Satake, Norihiko Sumida-ku, JP 7 34
Ueoka, Hideaki Kamisu, JP 12 106
Yamamoto, Shinji Sumida-ku, JP 421 8069

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