Should mono- or poly-unsaturated fats replace saturated fat in the diet?

Article Abstract:

Saturated (SAFA), monounsaturated (MUFA) and polyunsaturated (PUFA) fatty acid diets were studied to determine their effectson plasma lipoproteins and factor VIIc. Results show that changes in the fatty acid composition of the diets do not affect body weight, blood pressure and factor VIIc but the low density lipoprotein cholesterol, high density lipoprotein (HDL) cholesterol and HDL2 subfraction were lower in the MUFA and PUFA diet. It was also shown that the proportion of the PUFA in the MUFA diet appears to be a major determinant of the relative lipoprotein response.

Fatty acids, Monounsaturated fatty acids, Blood lipoproteins, Unsaturated fatty acids

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A diet rich in walnuts favourably influences plasma fatty acid profile in moderately hyperlipidaemic subjects

Article Abstract:

A diet rich in walnuts has been found to bring about changes in the fatty acid profile of triacylglycerol, phospholipid and cholesterol ester. The most consistent change was a significant rise in linoleic acid. Fatty acid profile of the major lipid fractions indicated changes which could be predicted to reduce risk of cardiovascular disease in those with slightly raised cholesterol levels. These findings may be the explanation for the cardioprotective effect of nuts seen in studies of vegetarians.

Blood lipids, Walnut, Walnuts, Fatty acid metabolism

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Effects of dietary coconut oil, butter and safflower oil on plasma lipids, lipoproteins and lathosterol levels

Article Abstract:

The effects of diets rich in butter as well as coconut and safflower oil on plasma concentrations of lipids, lathosterol, lipoproteins and apolipoproteins were investigated. Forty-one healthy Polynesians living in New Zealand participated in an experiment. Results showed that plasma levels of lipids, lathosterol, lipoproteins and apolipoproteins in the diets were significantly different. Plasma levels were particularly lower in diets rich in coconut and safflower oil.

Butter, Apolipoproteins, Diet, Lipids, Safflower oil, Coconut oil

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