富硒食品对老年人血硒水平的影响

目的　对比食用富硒食品前后老年人血硒水平的变化 ,为老年人硒膳食营养提供参考。方法　用 2 ,3 二氨基萘荧光法对比测定 6 2例健康老年人富硒食品食用前后的血硒含量。结果　食用富硒食品前后老年人血硒平均值分别为 83.0 1± 14 .0 6 μg·L-1和 12 6 .5 4± 19.30 μg·L-1,有显著性差异 (P <0 .0 1)。结论　富硒食品能有效改善老年人的硒营养状况 ,有益于老年人的健康、防病治病和延缓衰老

Effect of food enriched-selenium(Se)on blood Se level in the elderly people

Objective Compared the change of blood Se level in the elderly people before and after taking food enriched-selenium,and provided references of meal nutrition for the elderly people.Methods The selenium content in blood of 62 healthy elderly feeding and without feeding food enriched-selenium was determined by 2,3-diamine naphthalene fluorescence method.Results The content of blood selenium for healthy elderly without feeding food enriched-selenium was 83.01±14.06 μg·L~(-1)and the feeding 126.54±19.30 μg·L~(-1).There is significant difference of Se levels between the two groups(P<0.05).Conclusion The food enriched-selenium can improve the nutrition status of selenium of the elderly people and enhance body resistance and delay aging.It was helpful to the elderly healthy.