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:
Jun. 27, 2017
Filed:
Oct. 02, 2013
Daicel Corporation, Osaka-shi, Osaka, JP;
Jx Nippon Oil & Energy Corporation, Tokyo, JP;
Kazuya Mitsuhashi, Myoko, JP;
Takanori Someya, Myoko, JP;
Motoko Hayashi, Myoko, JP;
Manabu Yamada, Myoko, JP;
Shotaro Uchizawa, Tokyo, JP;
Kazuaki Hirasawa, Tokyo, JP;
Yuki Kawashima, Tokyo, JP;
JX NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
DAICEL CORPORATION, Osaka-Shi, Osaka, JP;
Abstract
Methods of obtaining a carotenoid-containing composition were developed, in which degradation of carotenoids is suppressed even though extraction and purification are performed on a culture of microorganism that produces carotenoids including astaxanthin by simple steps using a lower alcohol which is a conventionally known solvent, and the compositions have high astaxanthin content and contain highly pure carotenoids and also have satisfactory crystal properties. Further addition of a simple step that promotes isomerization of astaxanthin successfully improved the carotenoid yield.