Objective To study the effect of high pressure alone or combined with heating treatment of fresh pear juice on PPO activity in it.
目的研究鲜榨梨汁中多酚氧化酶的活性受高压和热协同处理的影响。
Compared with control the changes of POD activity were stable in leaves of mycorrhizal plants and PPO activity was higher than that of control.
与对照相比，抗病性较强的菌根化植株叶片中pod酶活性变化较为缓和，且ppo酶活性一直较高。
In wheat and its related species, the variation of PPO activity was very significant, but it lied in the range of middle to low activity generally.
在普通小麦及其近缘种属中，籽粒ppo活性变异很大，但基本上偏向于中低活性分布。
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