Varietal differences in peanut triacylglycerol structure |
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Authors: | T H Sanders |
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Affiliation: | (1) National Peanut Research Laboratory, USDA, SEA, AR, SR, Southeast Area, 31742 Dawson, GA |
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Abstract: | Stereospecific analysis of triacylglycerols from six peanut varieties showed diversity in percent fatty acid placement. Distribution
of the fatty acids among thesn-1,-2 and-3 positions was clearly nonrandom. The percentages of palmitic and stearic acids, generally very low at thesn-2 position, were more predominant at thesn-1 than thesn-3 position. Long chain fatty acids were located almost exclusively at thesn-3 position. Thesn-2 position of all varieties was high in unsaturated fatty acids. Triacyglycerols were sufficiently different to suggest that
concentrations of specific triacylglycerol species may vary with variety.
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