应用分光光度法，研究了甘薯中多酚氧化酶的特性及褐变的控制方法。
In this paper, the characteristics of Polyphenol Oxidase from sweet potato and its control methods were studied by spectrophotometry.
研究了热处理法钝化苔干多酚氧化酶（PPO）活性，从而控制酶促褐变的工艺条件及效果。
The activity of polyphenol oxidase (PPO) inlactuca sativa var. angustata was analyzed using heat treatment method to control its enzymatic browning.
本研究测定了199个小麦品种全麦粉的小麦多酚氧化酶(ppo)活性及全麦粉中的多酚含量，进一步探讨了PPO活性测定方法。
In this study, 199 wheat varieties were measured to determine their variation in PPO activity and the polyphenol content. The method of polyphenol activity was also discussed.
本文对荔枝壳中多酚氧化酶(PPO)的活性及不同抑制剂的抑制效果进行研究。
The activity of PPO of lichi hull and the control effect for different inhibitor were studied in this paper.
结果表明，不同虫态及虫龄的多酚氧化酶活力有很大的不同，其中以5龄幼虫酶活力最高，蛹酶活力最低。
The enzyme activity of the 5th instar was the highest and that of the pupa was the lowest.
应用分光光度法，研究了甘薯中多酚氧化酶(PPO)的特性及褐变的控制方法。
In this paper, the characteristics of Polyphenol Oxidase (PPO) from sweet potato and its control methods were studied by spectrophotometry.
应用分光光度法，研究了甘薯中多酚氧化酶(PPO)的特性及褐变的控制方法。
In this paper, the characteristics of Polyphenol Oxidase (PPO) from sweet potato and its control methods were studied by spectrophotometry.
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