Author: A. Grandgirard

0000000000138788

AUTHOR

A. Grandgirard

Comparison of the structures of cyclic fatty acid monomers isolated from heated linseed and sunflower oils

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Occurence of geometrical isomers of eicosapentaenoic and docosahexaenoic acids in liver lipids of rats fed heated linseed oil

Mono trans geometrical isomers of 20:5 n-3 and 22:6 n-3 were detected in liver lipids of rats fed heated linseed oil. The isomers were identified as being 20:5 h5c,8c,11c,14c,17t and 22:6 h4c,7c,10c,13c,16c,19t. These fatty acids were isolated as methyl esters by preparative high-performance liquid chromatography IHPLC) on reversed phase columns followed by silver nitrate thin layer chromatography (AgNO3-TLC). The structures were identified using partial hydrazine reduction, AgNO3-TLC of the resulting monoenes, oxidative ozonolysis of each monoene band, and gas-liquid chromatography (GLC) of the resulting dimethyl esters and monomethyl esters. Fourier-transform-infrared spectrometry confirm…

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Structure elucidations of minor components in heated fats

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Effects of dietary oxysterols on coronary arteries in hyperlipidaemic hamster

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