The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2011
Filed:
Aug. 31, 2006
Applicants:
Tomoko Konishi, Sumida-ku, JP;
Koichi Funada, Sumida-ku, JP;
Inventors:
Tomoko Konishi, Sumida-ku, JP;
Koichi Funada, Sumida-ku, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A23F 3/00 (2006.01);
U.S. Cl.
CPC ...
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.