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. 20, 2018
Filed:
Feb. 05, 2009
Applicants:
Yasushi Sakai, Tsukuba, JP;
Shun Kayahashi, Tsukuba, JP;
Inventors:
Yasushi Sakai, Tsukuba, JP;
Shun Kayahashi, Tsukuba, JP;
Assignee:
KYOWA HAKKO BIO CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/00 (2006.01); A61K 31/198 (2006.01); A61K 9/14 (2006.01); A61K 47/12 (2006.01); A61K 47/18 (2017.01); A23L 33/10 (2016.01); A23L 33/175 (2016.01);
U.S. Cl.
CPC ...
A61K 31/198 (2013.01); A23L 33/10 (2016.08); A23L 33/175 (2016.08); A61K 9/145 (2013.01); A61K 47/12 (2013.01); A61K 47/183 (2013.01); A23V 2002/00 (2013.01);
Abstract
The invention provides a method of improving the preservation stability of glutathione in a solid composition containing glutathione and arginine. In particular, glutathione and arginine are made to be coexistent with an organic acid such as citric acid, tartaric acid, ascorbic acid, malic acid, malonic acid, succinic acid, fumaric acid, maleic acid and the like. The amount of the organic acid to coexistent with glutathione and arginine is generally 0.1-2 parts by weight relative to 1 part by weight of arginine.