叶黄素的作用是什么?
推荐时间: 2015-12-29 03:32:34
—内容仅供参考
叶黄素功效保护视力，叶黄素对视网膜中的黄斑有重要保护作用，缺乏时易引黄斑退化和视力模糊．进而出现视力退化，近视等症状。叶黄素是NA的前体，在人体内可转化为VA。叶黄素对眼睛的主要生理功能是作为抗氧化剂和光保护作用．视神经不可再生，极易受到有害自由基的伤害，叶黄素的抗氧化作用可抑制有害自由基的形成。
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