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:
Feb. 26, 2013
Filed:
Jul. 27, 2005
Applicants:
Yuko Fukui, Takatsuki, JP;
Koichi Nakahara, Toyonaka, JP;
Inventors:
Yuko Fukui, Takatsuki, JP;
Koichi Nakahara, Toyonaka, JP;
Assignee:
Suntory Holdings Limited, Osaka-shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/75 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a novel method for assaying OPC contained in natural substances, foods and beverages, pharmaceuticals and/or cosmetics. The present invention is a novel method for assay of OPC which assays anthocyanidin, obtained by hydrolysis of OPC, to determine the total amount of OPC, and elucidates the proportions of the polymerization degrees of OPC by high performance liquid chromatography (HPLC) to determine the contents of the respective polymers in OPC.