Effect of body lipid mass on red blood cell- and plasma-tocopherol levels.

Abstract
A study on the relation of plasma- and RBC[red blood cell]-tocopherol to plasma lipids and adiposity [in humans] led to the following findings. Plasma tocopherol increased in parallel with increased plasma total lipid and .beta.-lipoprotein levels, while RBC tocopherol levels had little correlation with those of plasma lipids and .beta.-lipoproteins. The RBC-to-plasma tocopherol ratio decreased with increased plasma lipids and .beta.-lipoproteins. Though the relations of HDL[high density lipoprotein]-cholesterol, total lipids and .beta.-lipoproteins to RBC tocopherol levels resembled each other, those of HDL-cholesterol to plasma tocopherol levels and RBC-to-plasma tocopherol ratios differed greatly from the relationship in total lipids and .beta.-lipoproteins, especially the RBC-to-plasma ratios which had no definite pattern. Plasma tocopherol was unrelated to obesity grade, while the RBC tocopherol and RBC-to-plasma tocopherol ratios decreased with increased obesity.

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