Preparation process of green tea extract

Food or edible material: processes – compositions – and products – Processes – Extraction utilizing liquid as extracting medium

Reexamination Certificate

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C426S597000, C426S330300

Reexamination Certificate

active

07910147

ABSTRACT:
An object is to provide a preparation process of a green tea extract having a high non-polymer catechin concentration and tasting good with less bitterness and less astringency. The present invention relates to a preparation process of a green tea extract, which comprises subjecting an enzyme-inactivated raw tea leaves to CTC processing, drying the tea leaves until the water content thereof becomes 20 wt. % or less, and extracting the tea leaves while setting the weight ratio of an extraction solvent to the tea leaves to be extracted to 30 or less.

REFERENCES:
patent: 3812266 (1974-05-01), Sanderson et al.
patent: 3821440 (1974-06-01), Reeve
patent: 4613672 (1986-09-01), Hara
patent: 5250317 (1993-10-01), Liu et al.
patent: 5427806 (1995-06-01), Ekanayake et al.
patent: 6036991 (2000-03-01), Humphrey et al.
patent: 7220444 (2007-05-01), Ogura et al.
patent: 7232585 (2007-06-01), Quan et al.
patent: 47-5294 (1972-03-01), None
patent: 52-39476 (1977-03-01), None
patent: 60-13780 (1985-01-01), None
patent: 60-156614 (1985-08-01), None
patent: 3-108444 (1991-05-01), None
patent: 8-9883 (1996-01-01), None
patent: 08066156 (1996-03-01), None
patent: 2001-504704 (2001-04-01), None
patent: 2003-259806 (2003-09-01), None
patent: 2003-259807 (2003-09-01), None
patent: 2005204527 (2005-08-01), None
U.S. Appl. No. 12/183,675, filed Jul. 31, 2008, Iwasaki, et al.
U.S. Appl. No. 12/183,707, filed Jul. 31, 2008, Iwasaki, et al.
Office Action issued Sep. 14, 2010, in Japanese Patent Application No. 2006-231521, filed Aug. 29, 2006 (w/English Translation).

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