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Proportions of C18∶1n−7 and C18∶1n−9 fatty acids in canola seedcoat surface and internal lipids
Author(s) -
Hu X.,
Daun J. K.,
Scarth R.
Publication year - 1994
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/bf02541560
Subject(s) - canola , wax , chemistry , chromatography , transesterification , brassica , extraction (chemistry) , thin layer chromatography , brassica rapa , glyceride , gas chromatography , fatty acid , food science , organic chemistry , biochemistry , botany , biology , methanol , gene
Lipids of canola seedcoats ( Brassica napus L. and B. rapa L.) were prepared by surface washing and by complete extraction of seed coats with toluene. The major fatty acyl‐containing triacylglycerols, wax esters and free fatty acids were separated by thin‐layer chromatography prior to transesterification and analysis by gas‐liquid chromatography. The proportion of C18∶1n−7 to C18∶1n−9 was higher in the extracted lipids than in the surface‐washed lipids for all three classes.