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.

Date of Patent:
Sep. 30, 2014

Filed:

Dec. 07, 2007
Applicants:

Pamela L. Sharpe, Newark, DE (US);

Rick W. YE, Hockessin, DE (US);

Quinn Qun Zhu, West Chester, PA (US);

Inventors:

Pamela L. Sharpe, Newark, DE (US);

Rick W. Ye, Hockessin, DE (US);

Quinn Qun Zhu, West Chester, PA (US);

Assignee:

E I du Pont de Nemours and Company, Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 1/19 (2006.01); C07C 403/24 (2006.01); C12P 7/64 (2006.01); C09B 61/00 (2006.01); C12P 23/00 (2006.01);
U.S. Cl.
CPC ...
C12P 23/00 (2013.01); C07C 403/24 (2013.01); C12P 7/6472 (2013.01); C12P 7/6427 (2013.01); C09B 61/00 (2013.01);
Abstract

Engineered strains of the oleaginous yeastcapable of producing carotenoids (e.g., β-carotene, lycopene, lutein, zeaxanthin, canthaxanthin, astaxanthin) are provided. The strains may also be engineered to co-produce at least one ω-3/ω-6 polyunsaturated fatty acid and/or at least one additional antioxidant. Methods of using the carotenoid products obtained (e.g., biomass and/or pigmented oils) in food and feed applications are also provided.


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