US 7,537,918 B2
Process of producing polyunsaturated fatty acids with yeasts through the incorporation of olefinic or acetylenic substrates
Francisco Camps Díez, Barcelona (Spain); Sergio Rodríguez Ropero, Barcelona (Spain); Gemma Fabriàs Domingo, Barcelona (Spain); and Benjamin Piña Capo, Barcelona (Spain)
Assigned to Consejo Superior De Investigaciones Cientificas, Madrid (Spain)
Filed on Mar. 31, 2005, as Appl. No. 11/96,240.
Application 11/096240 is a continuation of application No. PCT/ES03/00498, filed on Oct. 01, 2003.
Claims priority of application No. 200202282 (ES), filed on Oct. 04, 2002.
Prior Publication US 2005/0227339 A1, Oct. 13, 2005
Int. Cl. C12P 7/62 (2006.01); C12P 7/64 (2006.01)
U.S. Cl. 435—134  [435/135] 7 Claims
 
1. A process for production of polyunsaturated fatty acids comprising the following steps:
a) incubating monounsaturated acetylenic fatty acids or monounsaturated olefinic fatty acids with a double bond of E type with strains of Saccharomyces cerevisiae yeast in liquid medium; and
b) extracting and purifiying the polyunsaturated fatty acids of the culture medium, product of the incubation of a).