Process for producing omega-9 highly unsaturated fatty acid...

Details Process for producing omega-9 highly unsaturated fatty acid... Process for producing omega-9 highly unsaturated fatty acid...

C - Chemistry, Metallurgy

12

P

C12P 7/64 (2006.01) C07C 51/42 (2006.01) C07C 57/03 (2006.01)

Patent

CA 2213374

The present invention discloses a process for producing lipid containing omega-9 highly unsaturated fatty acid by culturing in a medium a mutant strain obtained by mutation on a microorganism having the ability to produce arachidonic acid belonging to the genus Mortierella and so forth, in which .DELTA.12 desaturation activity is decreased or lost, but at least one of .DELTA.5 desaturation activity, .DELTA.6 desaturation activity and chain length elongation activity is elevated. Moreover, the present invention also discloses a process for producing omega-9 highly unsaturated fatty acid by collecting omega-9 highly unsaturated fatty acid from the culture or lipid described above.

Méthode pour produire un lipide renfermant un acide gras oméga-9 hautement insaturé, par culture sur un milieu d'une souche mutante obtenue par mutation sur un microorganisme capable de produire l'acide arachidonique et appartenant au genre Mortierella, etc, où l'activité de désaturation en DELTA 12 est réduite ou perdue, mais où au moins l'une des activités de désaturation DELTA 5 ou DELTA 6 et d'élongation de la chaîne est forte. De plus, l'invention présente une méthode pour l'obtention d'acide gras oméga-9 hautement insaturé par collecte de cet acide sur la culture ou à partir du lipide décrit ci-dessus.

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