Fatty acid composition of some seed oils of the sapindaceae

被引:31
作者
Spitzer, V
机构
[1] Faculdade de Farmácia UFRGS, Curso de Pos-Graduação, 90610.000 Porto Alegre/RS, Avenida Ipiranga
关键词
Paullina meliaefolia; Urvillea uniloba; Cardiospermum grandiflorum; Sapindaceae; seed oils; eicosenoic fatty acids; paullinic acid; cyanolipids; GC-MS;
D O I
10.1016/0031-9422(96)00140-9
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The fatty acid compositions of the seed oils of Paullina meliaefolia, Urvillea uniloba and Cardiospermum grandiforum have been analysed as their methyl esters and 4,4-dimethyloxazoline derivatives by GC and GC-mass spectrometry. cis-13-Eicosenoic Acid (paullinic acid) and cis-11-octadecenoic acid (cis-vaccenic acid) were found to be the main components besides other monoenoic acid positional isomers. The stereochemistry of the double bonds was confirmed by IR and C-13 NMR spectroscopy. Moreover, the unusual fatty acids C16:2(c9, c12) and C20:2 (c11, c14) have been detected as minor compounds. The cyanolipids were identified as 1-cyano-2-hydroxymethylprop-2-ene-1-ol and 1-cyano-2-hydroxymethylprop-1-ene-3-ol derivatives by spectroscopic methods.
引用
收藏
页码:1357 / 1360
页数:4
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