Study on Characteristics of Polyphenoloxidase from Morchella esculenta

Abstract

Abstract: In the paper, characters of polyphenol oxidase from Morchella esculenta were studied, including effect of temperature and pH on activity of PPO, heat stability and reaction kinetics used pyrocatechol as its substrate. The results show that MEPPO is stable relatively below 60℃, the optimum temperature and pH of MEPPO are 50℃ and 7.0 respectively, the maximum velocity of MEPPO reaction V is 0.02 ΔA/min, and the Michaelis constant is 0.00588. max

Key words: Morchella esculenta, polyphenoloxidase, characters

YUAN Jiang-Lan, HU Zheng, KANG Xu, WAN Li. Study on Characteristics of Polyphenoloxidase from Morchella esculenta[J]. FOOD SCIENCE, 2005, 26(6): 65-68.

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Study on Characteristics of Polyphenoloxidase from Morchella esculenta

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