Article Abstract:
The diet of male volunteers was assessed and fatty acid composition of plasma and platelet lipids were determined by gas chromatography, to examine the effect of trans alpha-linolenic acid on its incorporation into plasma lipids, and on risk factors for coronary heart disease. Trans 'free' rapeseed oil is rich in alpha-linolenic acid and dietary records showed good compliance. Dietary trans isomers of alpha-linolenic acid are incorporated in plasma lipids, and converted to long-chain polyunsaturated fatty acids.
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Article Abstract:
A new study examines the oxidation of 13C linoleic acid and seeks to determine to what extent linoleic acid is converted into longer chain polyunsaturates in healthy subjects.
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Article Abstract:
The serum cholesterol ester fatty acids and their relation with serum lipids were studied in elderly men in Crete, Greece and Zutphen, the Netherlands. Higher oleic acid and lower percentages of linoleic acid in cholesteryl esters were observed in the Cretan than the Zutphen men. Mean serum total cholesterol levels were similar although HDL cholesterol was higher in the Cretans many of whom were also heavier than the Zutphen men. The oleic acid of the cholesteryl esters in Zutphen men was positively associated with the HDL cholesterol level.
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