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Kinetics of epoxidation by a Musa paradisiaca chloroperoxidase
Author(s) -
Yadav Pratibha,
Khare Sunil K.,
Sharma Satyawati
Publication year - 2019
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.21280
Subject(s) - musa × paradisiaca , chemistry , naphthalene , styrene , indene , yield (engineering) , styrene oxide , kinetics , biocatalysis , organic chemistry , catalysis , copolymer , food science , reaction mechanism , polymer , materials science , physics , quantum mechanics , metallurgy
Epoxidations of indene, styrene, 2‐chlorostyrene, 3‐chlorostyrene, 4‐chlorostyrene, 4‐bromostyrene, and naphthalene using Musa paradisiaca plant juice chloroperoxidase in the presence of H 2 O 2 and t ‐butyl peroxide as oxidants have been studied. The steady‐state kinetic parameters, K m and k cat of the enzyme for the above substrates have been determined. The temperature and pH optima of the epoxidation are 25°C and 6.2, respectively. The yield of styrene oxide in the presence of H 2 O 2 was 44%. The results show that M. paradisiaca plant juice chloroperoxidase is a potential biocatalyst for organic epoxidation reactions.