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Retarded hydrolysis by pancreatic lipase of seed oils with trans-3 unsaturation

Author:
Kleiman, R., Earle, F.R., Tallent, W.H., Wolff, I.A.
Source:
Lipids 1970 v.5 no.6 pp. 513
ISSN:
0024-4201
Subject:
Grindelia, Aster, triacylglycerol lipase, enzymatic hydrolysis, lipolysis, seed oils, polyunsaturated fatty acids, triacylglycerols, structure-activity relationships, fatty acid esters
Abstract:
Triglycerides containing acids with trans-3 unsaturation (16:13, 18:13 and 18:33, 9, 12) showed a marked retardation of reaction rate with pancreatic lipase. An inverse relationship was found between content of trans-3 unsaturated acids in seed oils and lipolysis rate. The trans-3 unsaturated acids were concentrated in the diglyceride and residual triglyceride fractions of the lipolysates, and only small amounts were present in the free acid and monoglyceride fractions.
Agid:
31182
Handle:
10113/31182