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:
Oct. 07, 2008
Filed:
Sep. 16, 2003
Applicants:
Tatsuo Hoshino, Kanagawa-ken, JP;
Yutaka Setoguchi, Kanagawa-ken, JP;
Yoshinori Takagi, Kanagawa-ken, JP;
Inventors:
Tatsuo Hoshino, Kanagawa-ken, JP;
Yutaka Setoguchi, Kanagawa-ken, JP;
Yoshinori Takagi, Kanagawa-ken, JP;
Assignee:
DSM IP Assets B.V., TE Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a fermentation method of astaxanthin using Phaffia rhodozyma comprising the steps of: (a) in the growing phase, feeding of a nutrient medium containing glucose or sucrose based on the specific growth rate (μ) of Phaffia rhodozyma cells, and (b) in the astaxanthin production phase, feeding of the nutrient medium based on the astaxanthin production rate, while keeping the glucose concentration in the fermentation broth almost 0 g/L during the whole fermentation period.