Oxidant injury, or oxidative stress, occurs when highly reactive molecules called free radicals attack and damage cellular proteins, lipids ( fats) and DNA. 氧化损伤,或氧化应激,出现在被称为自由基的高活性分子攻击和破坏细胞蛋白质,脂类(脂肪)和脱氧核糖核酸时。
DNA oxidative damage was mainly caused by active oxygen free radicals and its metabolites which attack DNA. DNA氧化损伤主要是活性氧自由基及其代谢产物攻击DNA,并与DNA碱基结合形成加合物引起的。
Whether the proteins in food or the body are susceptible to oxidative attack. 无论食品中还是机体内的蛋白质都容易受到氧化攻击。