4.5 Article

Improvement of Chloroperoxidase Catalytic Activities by Chitosan and Thioglycolic Acid

Journal

CATALYSIS LETTERS
Volume 129, Issue 3-4, Pages 457-461

Publisher

SPRINGER
DOI: 10.1007/s10562-008-9823-8

Keywords

Chloroperoxidase; Activity; Chitosan; Thioglycolic acid; Kinetic parameters

Funding

  1. National Natural Science Foundation of China [20876094]

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The chlorination and oxidation activity of chloroperoxidase (CPO) was enhanced 32 and 20% by chitosan, and oxidation activity 24% by thioglycolic acid, respectively. The pH optimum of chlorination reaction shifted 3 units to a less acidic environment by chitosan (from 2.75 to 5.75). The kinetic parameters indicated both the affinity and specificity of CPO to substrate were improved.

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