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Proportions of C18∶1n−7 and C18∶1n−9 fatty acids in canola seedcoat surface and internal lipids |
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| Authors: | X Hu J K Daun R Scarth |
| Affiliation: | (1) Department of Plant Science, University of Manitoba, R3T 2N2 Winnipeg, Manitoba, Canada;(2) Grain Research Laboratory, Canadian Grain Commission, 1014-303 Main Street, R3C 3G8 Winnipeg, Manitoba, Canada |
| Abstract: | Lipids of canola seedcoats (Brassica napus L. andB. 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. |
| Keywords: | Brassica napus L B rapa L canola cis-vaccenic acid C18∶ 1n− 7 fatty acid free fatty acid seed coat surface lipids triacylglycerol wax ester |
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