Vitamin E status of Alaskan Eskimos

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Abstract
A survey was conducted during 1971–1973 on the vitamin E status of Alaskan Eskomos. The subjects were 315 residents of the northern coastal villages of Wainwright and Point Hope and the southwestern inland villages of Kasigluk and Nunapitchuk. Plasma vitamin E levels for the 6- to 17-year-old subjects at Wainwright, Point Hope, and Nunapitchuk were 0.81 plus or minus 0.26, 0.90 plus or minus 0.20, and 0.84 plus or minus 0.25 mg/100 ml (mean and standard deviation), respectively. The values for adults at Wainwright, Point Hope, and Kasigluk were 1.23 plus or minus 0.27, 1.23 plus or minus 0.27, and 1.27 plus or minus 0.33 mg/100 ml, respectively. No value less than 0.30 mg/100 ml was observed. Alpha-tocopherol was the only isomer present in significant amounts. Plasma vitamin E levels did not change significantly between 6 and 17 years of age; however, a steady increase with age was observed in the 18- to 69-year-old groups. Plasma alpha-tocopherol concentrations were significantly lower in children than in adults but there were no differences attributable to sex or geographic location. Vitamin E concentration in the blood plasma was linearly correlated with cholesterol concentration. Values are reported for the vitamin E content of some native foods. This study indicates that plasma vitamin E levels in Alaskan Eskimos consuming a high meat or fish diet are comparable to those in adults of the United States consuming a mixed diet.

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