Biotransformation of androgenic steroid mesterolone with Cunninghamella blakesleeana and Macrophomina phaseolina

- This is the first report of biotransformation of mesterolone with Cunninghamella blakesleeana and Macrophomina phaseolina.
- Fermentation of mesterolone (1) with Cunninghamella blakesleeana yielded four new and three known metabolites.
- Biotransformation of 1 with Macrophomina phaseolina also yielded a new metabolite..