Microbial transformations of 3-methoxyflavone by strains of Aspergillus niger

Abstract

Microbial transformation of 3-methoxyflavone into 3'-hydroxyflavon-3- yloxymethyl myristate was presented. Six filamentous fungi were used as biocatalysts: a wild strain of Aspergillus niger KB, its four UV mutants (A. niger MB, SBP, SBJ, 13/5) and the strain of Penicillium chermesinum 113. The highest yields were observed for the strains of A. niger KB and A. niger SBP (69.8% and 63.1%, respectively).