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Biocatalytic oxidation of polycyclic aromatic hydrocarbons by hemoglobin and hydrogen peroxide
M Ortiz-Leon1, L Velasco, R Vazquez-Duhalt
1Biotechnology Institute U.N.A.M., Cuernavaca, Morelos, México.
Biochemical and Biophysical Research Communications
|October 24, 1995
Abstract:
Hemoglobin is able to oxidize polycyclic aromatic hydrocarbons, PAH's, in presence of hydrogen peroxide. Among 12 aromatic compounds tested, six were oxidized; anthracene, carbazole, dibenzothiophene, fluorene, 9-hexylanthracene and pyrene. The products were identified as aromatic ketones and sulfoxides. Effect of organic solvent concentration and hemoglobin stability were determined.