多酚氧化酶

槲叶等几种植物组织中多酚氧化酶的pH效应

Effect of pH on Polyphenol Oxidase Activities in Some Plants

叠氮活化烟草多酚氧化酶II的机理

The mechanism of azide activating polyphenol oxidase II in tobacco

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 .

多酚氧化酶在聚乙烯醇接枝谷氨酸树脂Cu（Ⅱ）配合物上的固定化

Immobilization of Polyphenol Oxidase by Coordination with Cu (ⅱ) in Polyvinyl Alcohol Grafted Glutamic Acid Resin

多酚氧化酶、纤维素酶和半纤维素酶的分泌要求较高的C／N，在40∶1左右有高分泌活性。

While catechol oxidase , CMCase and hemicellulase needed higher C / N. Their activity were higher at 40:1 or so .

甘薯多酚氧化酶保守区的cDNA克隆及序列分析

CDNA Cloning and Sequence Analysis of Polyphenol Oxidase Conserved Region of Sweet Potato

试验结果证明，辐照处理和调节pH值对梨汁中多酚氧化酶活性都有不同程度的抑制作用；

The results showed that , radiation treatment and decreasing the pH value can inhibit the PPO 's activity .

多酚氧化酶活性与茶多酚之间的相关系数为-0.79（P0.05），呈显著负相关。

Tea polyphenol oxidase activity and the correlation coefficient between-0.79 ( P0.05 ), was significantly negatively correlated .

GA与2.4－D对猴头菌丝体纤维素酶和多酚氧化酶活力的影响

GA and2 · 4-d effect on activities of polyphenol oxidase and cellulase in hyphae of hedgehog hydnum

讨论了多酚氧化酶对邻苯三酚自氧化法测定SOD活性的干扰。

Disturbances of polyphenol oxidase upon determination of SOD activity using pyrogallol autoxidation method ( PAM ) were analysed .

小麦多酚氧化酶（PPO）活性的SSR标记筛选与验证

Validation of SSR Marker Assisted Selection for Polyphenol Oxidase Activities in Common Wheat

通过对百合中多酚氧化酶（PPO）的粗酶液进行研究发现以儿茶酚为底物时它有两个最适pH，分别为4.0、7.0。

The enzyme activity showed two pH optima , at pH 4.0 and 7.0 with catechol as substrate .

以番荔枝果肉为材料，研究了番荔枝多酚氧化酶（PPO）特性；

The processed sweetsop pulp was used to study its PPO property .

红枣多酚氧化酶（PPO）特性及抑制其酶促褐变的研究

Study on the Characteristics of PPO and Enzymatic Browning Control for Chinese Jujube

在相同的P.同期多酚氧化酶（PPO）活性也相应出现明显高峰。

Under the same P.V.C. During the same period , polyphenolic oxidase activity reached its peak .

超高压处理对鲜榨桃汁中多酚氧化酶（PPO）活力影响的研究

Research on effect of ultra high pressure treatment on activity of PPO in fresh peach juice

同时，又研究了压力对多酚氧化酶（PPO）同工酶活力的影响。

Besides , the effect of pressure on the activity of ppo isozymes also were studied .

在鱼藤酮处理下，纤维细胞中的细胞色素c氧化酶的活性迅速降低，而在硫脲各浓度处理下，绿色棉纤维中的多酚氧化酶活性均降低了80%以上。

Moreover , cytochrome c oxidase activity rapidly decreased in fiber cells after rotenone treatment and polyphenoloxidase activity reduced by more than 80 % in green cotton fiber after thiourea treatment . 4 .

与多酚氧化酶相比，蛋白质与PCBs浓度之间关系更紧密，更适合作为土壤PCBs污染的指示物。

Compared with polyphenol oxidase , the relationship between protein and PCBs was more closely .

接种F1对辣椒叶片苯丙氨酸解氨酶（PAL）与多酚氧化酶（PPO）活性有影响。

The PAL and PPO activities in the leaves of the capsicum were affected by F_1 inoculation .

研究了百合褐变与PPO（多酚氧化酶）、POD（过氧化物酶）活性变化的关系。

The relationship between lily browning and activities of PPO ( polyphenoloxidase ) and POD ( peroxidase ) was studied .

砧木和接穗多酚类物质的含量和多酚氧化酶（PPO）活性与嫁接亲和力有一定关系，但不是影响嫁接亲和力的主要因素。

The content of polyphenols and PPO activity of rootstock and scion are connected with the graft compatibility .

多酚氧化酶（Polyphenoloxidase，PPO）是一类普遍存在于植物、真菌和昆虫质体中，由核基因编码，能与铜相结合的金属蛋白酶。

Polyphenol oxidase ( PPO ) is a ubiquitous copper metalloprotein in the plastids of many plants , fungi and insects .

金针菇的多酚氧化酶（PPO）、过氧化物酶（POD）和过氧化氢酶（CAT）活性在全株中呈现区域化分布。

The compartmentation distribution of polyphenol oxidase ( PPO ), peroxidase ( POD ) and catalase ( CAT ) activities in Flammulina velutipes appeared .

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 .

实验确定了从金帅苹果中提取多酚氧化酶（PPO）的最佳条件，研究了该酶的某些特性。

Experiments were performed to optimize the extraction conditions for polyphenoloxidase ( PPO ) in ″ Golden Delicious ″ apple fruit .

硒锌交互对茶叶亚细胞中硒锌分布及多酚氧化酶（PPO）活性的影响

Effect of Selenium-Zinc Interaction on the Subcellular Distribution of Selenium , Zinc and the Change of Polyphenol Oxidase Activity in Tea Leaves

结果表明这株菌不仅具有单宁酶的活性，而且具有多酚氧化酶（PPO）的活性。

It was found that the strain have not only activity of tannase , but also activity of polyphenol oxidase ( PPO ) .

高CO2浓度的气调能有效抑制MDA含量上升的速率和多酚氧化酶（PPO）活性，保持果实硬度和维生素C含量，减少果实腐烂和褐变，延长贮藏寿命。

CA with high CO 2 concentration inhibited polyphenol oxidase ( PPO ) activity , reduced MDA content , maintained vitamin C content and firmness , decreased fruit decay and browning .

不同光照条件下4种满江红（Azolla）品系体内多酚氧化酶活性的变化

Variation in in vivo Polyphenol Oxidase Activity of Four Azolla Strains Under Different Illumination Conditions