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Isomers of monoethylenic fatty acids in some partially hydrogenated marine oils
Author(s) -
Conacher H. B. S.,
Page B. D.,
Chadha R. K.
Publication year - 1972
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02628895
Subject(s) - herring , whale , cis–trans isomerism , chemistry , raw material , food science , structural isomer , double bond , organic chemistry , fishery , biology , fish <actinopterygii>
An analytical study of the monoethylenic isomers in commercial samples of partially hydrogenated herring, whale and seal oils is presented. The results show that with hydrogenated herring oil there is a slight decline in monoene trans content from 37% in C 16 through to 32% in C 22 . With both whale and seal oils, monoene trans contents were constant at 54% and 59%, respectively, throughout all chain lengths. In general the cis and trans positional isomers from hydrogenated whale and seal oils were more scattered than those from hydrogenated herring oil; however in each oil the major cis isomers of each chainlength were indicative of original cis fatty acid isomers in the raw oils.