李子干里的果酸(neochlorogenic and chlorogenic acids)含量极高，是抗击“超氧阴离子自由基(superoxide anion radical)”特别有效的抗氧化剂。
Prunes contain high amounts of neochlorogenic and chlorogenic acids, antioxidants that are particularly effective at combating the \ "superoxide anion radical."
采用羟基自由基体系和超氧阴离子自由基体系对藏红花酸及藏红花酸二甲酯的体外抗氧化活性进行研究，并与BHT进行比较。
At last, using the hydroxyl radical system, superoxide radical system, the antioxidation activities of crocetin and crocetin dimethyl ester were studied and compared with BHT.
榛子壳棕色素的体外抗氧化性实验表明：其对羟基自由基、超氧阴离子自由基有很好的清除效果，对脂质体过氧化也具有一定的抑制作用。
Hazelnut shell brown pigment oxidation in vitro experiments showed that the pigment had scavenging effects on hydroxyl radical, superoxide anion radical and aliphatic radicals on lipid-per oxidation.
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