polyphenol oxidase

例句：

1. 1. This enzyme plays a crucial role in the process of plant growth and development.
   这种酶在植物生长和发育过程中起着至关重要的作用。
2. 2. Polyphenol oxidase is responsible for the browning of fruits and vegetables.
   多酚氧化酶负责水果和蔬菜的褐变。
3. 3.The activity of polyphenol oxidase can be influenced by various factors such as temperature, pH, and light.
   多酚氧化酶的活性可能受到温度、pH和光照等多种因素的影响。