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Inhibition Mechanism of Microorganism Isolated from Serofluid Dish on Activity of Polyphenol Oxidase of Potato

文献类型： 外文期刊

作者： Zhao, Ping 1 ; Xiao, Yuxuan 1 ; Zhang, Ziliang 1 ; Zhang, Xinguo 1 ; Zhuang, Yan 1 ; Zhao, Ying 2 ; Li, Pengcheng 3 ;

作者机构： 1.Lanzhou Univ Technol, Sch Life Sci & Engn, Lanzhou 730050, Gansu, Peoples R China

2.Dingxi Inst Agr Sci, Dingxi 743000, Gansu, Peoples R China

3.Gansu Agr Acad, Inst Biotechnol, Lanzhou 730070, Gansu, Peoples R China

关键词： Serofluid; Polyphenol Oxidase; Suspensions of Two Strains of Bacterial Suspensions; Lactobacillus sp and Eremothecium sp.; Inhibiting Abilities; Lineweaver Burk Plot; Inhibition Constant

期刊名称：JOURNAL OF BIOBASED MATERIALS AND BIOENERGY （ 影响因子：0.708； 五年影响因子：0.739 ）

ISSN： 1556-6560

年卷期： 2018 年 12 卷 3 期

页码：

收录情况： SCI

摘要： Browning of potato frequently occurs during processing, which has an adverse effect on the nutritional and commercial values of the processed products. This study was aimed at investiging the inhibition effects of two strains of Lactobacillus sp. and Eremothecium sp. isolated from the serofluid on polyphenol oxidase (PPO) activity of potato. In this study it was suggested that the suspensions of two strains at different concentrations possess inhibiting abilities and contain mixed-type inhibitors of PPO by methods of Lineweaver Burk plot. The inhibition constants of suspensions of two strains were determined to be K-i = 0.0103 moL/L, K-is = 0.1149 moL/L, and K-i = 0.0011 moL/L, K-is = 0.0249 moL/L, respectively.

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