Preparation of microbial polyunsaturated fatty acid...

C - Chemistry – Metallurgy – 11 – B

Patent

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C11B 1/00 (2006.01) A23C 9/20 (2006.01) A23D 9/00 (2006.01) A23D 9/02 (2006.01) A23K 1/16 (2006.01) A23L 1/28 (2006.01) A23L 1/30 (2006.01) A61K 8/37 (2006.01) A61K 8/92 (2006.01) A61K 8/99 (2006.01) C11B 1/02 (2006.01) C11B 1/10 (2006.01) C12N 1/14 (2006.01) C12P 7/64 (2006.01) C07C 51/47 (2006.01)

Patent

CA 2250581

The present invention discloses a microbial polyunsaturated fatty acid(PUFA)- containing oil with a high triglyceride content and a high oxidative stability. In addition, a method is described for the recovery of such oil from a microbial biomass derived from a pasteurised fermentation broth, wherein the microbial biomass is subjected to extrusion to form granular particles, dried and the oil then extracted from the dried granules using an appropriate solvent.

La présente invention a pour objet une huile contenant de l'acide gras polyinsaturé microbien avec une forte teneur en triglycéride et une stabilité à l'oxydation élevée. En outre, l'invention concerne un procédé pour la récupération de l'huile à partir d'une biomasse microbienne dérivée d'un bouillon de fermentation pasteurisé. Selon ce procédé, la biomasse microbienne est extrudée pour former des particules granulaires, puis séchée et l'huile est ensuite extraite des granules séchés à l'aide d'un solvant approprié.

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