本研究以天津地区南美白对虾虾为主要原料,以感 观检验、 多酚氧化酶活性(polyphenol oxidase,PPO)、 挥发性盐基氮(total volatile base nitrogen,TVB-N)及微 生物为...
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...om 要: 研究了添加抗坏血酸对苹果浊汁中果胶甲酯酶(pectin methylesterase,PME)和多酚氧化酶活性(polyphenoloxidase,PPO)热钝化效果影响以及分析了PME热钝化动力学,结果表明,添加0.1%抗坏血酸(ascorbic aci...
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和多酚氧化酶活性 polyphenol oxidase ; PPO
土壤养分(N)缺乏,酚积累,最终导致多酚氧化酶活性增强。
Nitrogen absence results in phenol accumulation which results in an increase in the activity of phenolase.
多酚氧化酶活性测定是用邻甲氧基苯酚为底物,用分光光度法测定。
Taken O-Methoxyphenol as the substrate, the polyphenol oxidase activity was determined by the spectrophotometry.
总的多酚类化合物的含量,在梨果实中不同部位的分布与多酚氧化酶活性相似。
The distribution of the total polyphenolic content in tne different parts of the pear fruit is similar to that of polyphenol oxidase activity.
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