STUDY ON PHENOLS AND POLYPHENOL OXIDASE PROPERTY IN DONGZAO JUJUBE FRUITS

doi:10.11924/j.issn.1000-6850.040497

Chin Agric Sci Bull ›› 2004, Vol. 20 ›› Issue (4) : 97-97. DOI: 10.11924/j.issn.1000-6850.040497

Zong Yichen

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Abstract

The property of polyphenol oxidase (PPO) in jujube cultivars ‘Dongzao’ was studied, including phenols, specificity on substrates of PPO and effects of pH and concentration of substrate on PPO activity. It was showed the Dongzao jujube cultivar had an optimum pH range，the value is 7.0. The optimum native substrate of PPO in ‘Dongzao’ was gallate.

Key words

Dongzao Jujube fruit;Phenols;Polyphenol oxidase

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Zong Yichen. STUDY ON PHENOLS AND POLYPHENOL OXIDASE PROPERTY IN DONGZAO JUJUBE FRUITS[J]. Chinese Agricultural Science Bulletin. 2004, 20(4): 97-97 https://doi.org/10.11924/j.issn.1000-6850.040497