cellular antioxidant activity 细胞学定量评价
Vitamin E: Works as an antioxidant at the cellular level. Found in unprocessed oils as well as in animal fats like butter and egg yolks.
维生素E：维生素E能在细胞水平上作为一种抗氧化剂发挥作用，它能在未被加工的油和动物脂肪（像牛油和蛋黄）中获得。
Oxidative stress occurs in a cellular system when the production of free radical moieties exceeds the antioxidant capacity of that system.
当细胞内的自由基产物超出其自身的抗氧化能力时，便会产生氧化应激。
Vitamin a can effectively regulate NO production, improve antioxidant level and clean free radicals, and protect cells from cellular inflammation and oxidative stress.
维生素a可以有效地调控NO的生成，提高机体抗氧化水平并清除自由基，预防细胞炎症及氧化应激的发生。
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