Retinol feeding and low and high density lipoproteins of plasma of rats.
Effect of feeding 33 mg retinol daily for two days has been studied on lipids of plasma low and high density lipoproteins of rats. Triglycerides, nonesterified fatty acids, phosphatidyl choline and its monoenoic, dienoic and tetraenoic species were increased in plasma low density lipoproteins of retinol fed rats. In high density lipoprotein fraction triglycerides, phosphatidyl choline and its tetraenoic species were decreased and that of nonesterified fatty acids levels increased in retinol fed rats. The incorporation of NaH(2)(32)PO4 (counts/min/ml) into phosphatidyl choline and its all molecular species was increased in low density lipoproteins but it was decreased in high density lipoprotein of plasma of rats fed retinol.
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