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经实验测定：栾树超氧化物岐化酶最适ｐＨ值为５．５；最适温度为４２℃；在受水分胁迫过程中，０～２．５ｈＳＯＤ活性较强，之后呈下降态势，２４ｈ后活性变化较缓
The experimental results showed that the optimal pH value of the superoxide dismutase was 5.5 and the optimal temperature was 42 ℃. During the water stress, the activities of SOD in 0-2.5h were stronger and then decreased. After 24h Activity changes more slowly