Process for producing alkyl-methyl ketones

Details Process for producing alkyl-methyl ketones Process for producing alkyl-methyl ketones

C - Chemistry, Metallurgy

12

P

195/129, 99/139,

C12P 7/26 (2006.01) A23L 1/22 (2006.01) A23L 1/23 (2006.01) C07C 49/04 (2006.01)

Patent

CA 2021641

ABSTRACT The invention relates to a process for producing methyl-alkyl ketones using micro-organisms which convert fatty acids or their esters into the corresponding methyl ketones having one carbon atom less. Suitable micro-organisms are those which produce at least 0.1% w/w methylketones in the culture broth. Preferred micro-organisms are Aureobasidium pullulans species. The process is especially suitable to produce pentan-2-one, heptan-2-one, nonan-2-one and undecan-2- one or mixtures thereof. The compounds produced are suitable for use in food flavours.

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