The results showed that the content of superoxide radical and H_2O_2 formed during peach ripening and storage were related to ethylene biosynthesis.
结果表明：在桃果实成熟及采后贮藏过程中产生的超氧化物自由基和H_2O_2含量与乙烯释放量呈一定相关性。
Superoxide radical (O2-) is produced intracellularly as a consequence of aerobic metabolism and extracellularly by leukocytes in response to infection.
超氧自由基会在细胞有氧呼吸或者白细胞抵御感染的过程中产生。
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.
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。
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