Flavonoid oxidation kinetics in aqueous and aqueous organic media in the presence of peroxidase, tyrosynase, and hemoglobin
- Authors: Barsukova M.E.1, Tokareva A.I.1, Buslova T.S.1, Malinina L.I.1, Veselova I.A.1, Shekhovtsova T.N.1
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Affiliations:
- Moscow State University
- Issue: Vol 53, No 2 (2017)
- Pages: 149-156
- Section: Article
- URL: https://journal-vniispk.ru/0003-6838/article/view/152181
- DOI: https://doi.org/10.1134/S0003683817020053
- ID: 152181
Cite item
Abstract
The kinetics of oxidation reactions of flavonoids, quercetin, dihydroquercetin, and epicatechin has been studied in the presence of biocatalysts of different natures: horseradish peroxidase, mushroom tyrosinase, and hemoglobin from bull blood. Comparison of the kinetic parameters of the oxidation reaction showed that peroxidase appeared to be the most effective biocatalyst in these processes. The specificity of the enzyme for quercetin increased with increasing the polarity of the solvent in a series of ethanol–acetonitrile–dimethyl sulfoxide.
About the authors
M. E. Barsukova
Moscow State University
Author for correspondence.
Email: barsukova.mari@icloud.com
Russian Federation, Moscow, 119991
A. I. Tokareva
Moscow State University
Email: barsukova.mari@icloud.com
Russian Federation, Moscow, 119991
T. S. Buslova
Moscow State University
Email: barsukova.mari@icloud.com
Russian Federation, Moscow, 119991
L. I. Malinina
Moscow State University
Email: barsukova.mari@icloud.com
Russian Federation, Moscow, 119991
I. A. Veselova
Moscow State University
Email: barsukova.mari@icloud.com
Russian Federation, Moscow, 119991
T. N. Shekhovtsova
Moscow State University
Email: barsukova.mari@icloud.com
Russian Federation, Moscow, 119991
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