Effects of dietary palm oil on serum lipid peroxidation, antithrombin III, plasma cyclic AMP, and platelet aggregation
1991
Pereira, T.A. | Shahi, G.S. | Das, N.P.
Intravascular thrombus formation in association with lipid depositions in the arterial wall is thought to be involved in the process of atheroma formation. We have previously shown the beneficial effect of palm oil on the serum lipid profile (2) resulting in a lowering of serum triacylglycerol and an elevation of the HDL/LDL ratio. The present study investigates the effect of dietary palm oil on the biochemical parameters associated with clotting and platelet aggregation in young rats (70 g body wt) fed a palm oil diet over a period of 10 weeks. Palm oil-fed rats showed significantly lower levels of fibrinogen and serum lipid peroxide and elevated AtIII levels resulting in a prolongation of clotting time. Reduced platelet aggregation and ATP release associated with a prolongation of bleeding time were also found. These findings, together with our earlier findings on the effect of palm oil on the serum lipid profile, suggest that dietary palm oil may be antithrombotic as well as beneficial in preventing the deposition of lipids on the vessel wall and may, therefore, be protective against the development of atherosclerosis.
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