Title:
PURIFIED GREEN TEA EXTRACT
Document Type and Number:
WIPO Patent Application WO/2010/058593
Kind Code:
A1
Abstract:
Disclosed is a purified green tea extract which contains a catechin at a high concentration and is reduced in an unpleasant astringent taste. The purified green tea extract is characterized by comprising (A) a non-polymeric catechin and (B) rutin, wherein the mass ratio of the content of the rutin (B) to the content of the non-polymeric catechin (A) [i.e., a (B)/(A) ratio] is 0.03 or less and a gallate form of the non-polymeric catechin (A) makes up 0.01 to 70 mass% of the total mass of the non-polymeric catechin (A).
Inventors:
KONISHI TOMOKO (JP)
Application Number:
PCT/JP2009/006262
Publication Date:
May 27, 2010
Filing Date:
November 20, 2009
Export Citation:
Assignee:
KAO CORP (JP)
KONISHI TOMOKO (JP)
KONISHI TOMOKO (JP)
International Classes:
A23F3/16; A23L1/30; A23L2/52; A23L27/00
Domestic Patent References:
| WO2008081542A1 | 2008-07-10 | |||
| WO2005053415A1 | 2005-06-16 | |||
| WO2007109802A2 | 2007-09-27 | |||
| WO2008072360A1 | 2008-06-19 |
Foreign References:
| JP2008079609A | 2008-04-10 | |||
| JP2002233333A | 2002-08-20 | |||
| JP2006129757A | 2006-05-25 |
Attorney, Agent or Firm:
THE PATENT CORPORATE BODY ARUGA PATENT OFFICE (JP)
Patent business corporation Alga patent firm (JP)
Patent business corporation Alga patent firm (JP)
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