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:
Aug. 31, 2010
Filed:
Feb. 21, 2007
Applicants:
Sang-jun Sim, Seoul, KR;
Chang-deok Kang, Seoul, KR;
Inventors:
Sang-jun Sim, Seoul, KR;
Chang-deok Kang, Seoul, KR;
Assignee:
Sungkyunkwan University, Gyeonggi-Do, KR;
Primary Examiner:
Int. Cl.
CPC ...
C12P 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a method of separating free-astaxanthin selectively from green algae and, more particularly, to a method of separating free-astaxanthin selectively from, the method comprising: mixing a cell culture containingwith an alkanic solvent and stirring, thereby obtaining an alkanic solvent extract containing astaxanthin material including free-astaxanthin and astaxanthin ester (step 1); and mixing the alkanic solvent extract with an alcohol and stirring, thereby obtaining an alcoholic extract containing free-astaxanthin (step 2).