Forty-nine microbial strains were used to screen their ability for the microbiological transforma-tion of ginsenoside Rg1. Aspergillus niger (3.1858) and Absidia coerulea (3.3538) were found to convert ginsenoside Rg1 efficiently to less polar metabolites. Preparative scale transformation with both fungi Absidia coerulea (3.3538) and Aspergillus niger (3.1858) have resulted in the production of one same metabolite (MT1). Its structure was char-acterized as 6-O-b-D-glucopyranosyl-20(S)-protopanaxatriol (Gins...
【分类号】
R284
【正文快照】
Introduction Biotransformation is defined as the use of biological systems to bring about changes of chemical structure in compounds that are not their natural substances. The biological systems could be plant, animal, microorgan-isms or enzymes derived
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