Substrate selectivity of lipases in the esterification of oleic acid, linoleic acid, linolenic acid and their all-trans-isomers and in the transesterification ofcis/trans-isomers of linoleic acid methyl ester

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Abstract

The substrate selectivity of several microbial lipases has been examined in the esterification of oleic acid, linoleic acid, linolenic acid and their all-trans-isomers and in the alcoholysis of isomeric linoleic acid methyl esters with n-butanol. Lipases from Candida cylindracea and Mucor miehei preferred fatty acids and methyl esters with a (first) cis double bond in Δ9-position, while Chirazyme L-5, a Candida antarctica lipase A, had a preference for trans-9 unsaturated substrates.

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