草菇在贮藏过程中表现出多酚氧化酶(ppo)活性与褐变程度不一致的现象，这主要是由于PPO与底物区域化分布的结果。
The results also showed that the PPO activity of the straw mushroom failed to correspond with the Browning as a result of compartmentation of polyphenol oxidase and its substrates.
酶催化反应的机理和活性中心区域的几何特征和静电势分布特征有密切关系。
It has been found that the mechanism of enzymatic reaction and the geometric characteristics of active sites are closely related to the characteristics of static potential distribution.
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