International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Open Access | Double Blind Reviewed

ISSN: 2319-7064


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Research Paper | Chemistry | India | Volume 9 Issue 10, October 2020


Purification and Characterization of Polyphenol Oxidase from Zyzyphus spina-christi from Telangana Region

T R Satyakeerthy | T R Shanthi | Raju Bolla | Lini Nirmala


Abstract: Polyphenol oxidase (PPO) from Zyzyphus spina-christi from Telangana region was extracted and purified by (NH4) 2SO4 precipitation, ion-exchange chromatography and gel filtration chromatography. The biochemical characteristics of reveals that this PPO has higher affinity towards catechol (Km = 12.2mM and Vmax = 17, 200 U/ml min-1) at an optimum pH of 5.75. The enzyme has an optimum temperature of 37.50C and was relatively stable up to 480C for a period of 60 minutes with almost 78 % of activity remaining. Among the various polyphenol oxidase inhibitors tested, the most effective inhibitor for the enzyme with 10mM catechol as substrate was ascorbic acid.


Keywords: Polyphenol Oxidase, Zyzyphus spina-christi, Telangana, Catechol, inhibitor, Optimum


Edition: Volume 9 Issue 10, October 2020,


Pages: 1072 - 1076


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How to Cite this Article?

T R Satyakeerthy, T R Shanthi, Raju Bolla, Lini Nirmala, "Purification and Characterization of Polyphenol Oxidase from Zyzyphus spina-christi from Telangana Region", International Journal of Science and Research (IJSR), Volume 9 Issue 10, October 2020, pp. 1072-1076, https://www.ijsr.net/get_abstract.php?paper_id=SR201007131037

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