Substrate selectivity of lipases in the esterification of oleic acid, linoleic acid, linolenic acid and their all-trans-isomers and in the transesterification of cis/trans-isomers of linoleic acid methyl ester |
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| Authors: | Siegfried Warwel Robert Borgdorf Ludger Brühl |
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| Institution: | (1) Institute for Biochemistry and Technology of Lipids, H.P. Kaufmann-Institute, Federal Centre for Cereal, Potato and Lipid Research, Piusallee 68, D-48147 Münster, Germany;(2) Institute for Chemistry and Physics of Lipids, Federal Centre for Cereal, Potato and Lipid Research, Piusallee 76, D-48147 Münster, Germany |
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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  9-position, while Chirazyme L-5, a Candida antarctica lipase A, had a preference for trans-9 unsaturated substrates. |
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| Keywords: | alcoholysis cis/trans-isomers esterification lipase substrate selectivity |
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