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21food.cn
27 天
食品级 维生素C 抗氧化剂 发货迅速 量大包邮
维生素C可通过逐级供给电子而转变为半脱氢抗坏血酸和脱氢抗坏血酸的过程清除体内超负氧离子(O2-)、羟自由基(OH-)、有机自由基(R-)和有机过氧基(ROO-)等自由基;使生育酚自由基重新还原成生育酚,反应生成的抗坏血酸自由基在一定条件下又可被NADH2的 ...
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