Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing oxygen-containing organic compound
Patent
1996-05-03
1999-04-27
Marx, Irene
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing oxygen-containing organic compound
435135, 435271, 435198, 435136, C12P 764, C11C 100
Patent
active
058979948
ABSTRACT:
A mixture of fatty acids rich in polyunsaturated fatty acids is esterified by enzymatic catalysis and then the reaction mixture is saponified, which provides an organic phase containing esters and an aqueous phase which contains fatty acids, the phases are separated and the fatty acids of the aqueous phase are extracted by a non-polar solvent to obtain the fatty acids in the solvent, after which the solvent may be removed from the fatty acids.
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Syed et al., Y-Linolenic Acid Concentrates From Borage and Evening Primrose Oil Fatty Acids Via Lipose-Catalyzed Esterification Journal of the American Oil Chemists Society, vol. 71, No. 6, 1994, pp. 569-573.
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Hills, Matthew, J. et al, Enzymatic Fractionation of Fatty Acids: Enrichment of Y-Linolenic Acid and Docosahexaenoic Acid by Selective Esderification Catalyzed by Lipases, Jaocs, vol. 67, No. 9 (Sep. 1990).
Sandoz Laurence
Wille Hans-Juergen
Marx Irene
Nestec S.A.
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