Kinetics of epoxidation by a  Musa paradisiaca  chloroperoxidase | Zendy

Yadav Pratibha | Zendy; Khare Sunil K. | Zendy; Sharma Satyawati | Zendy

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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.

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