Establishing an optimal or high-performance bioconversion system is a crucial step for increasing the concentration of substrate, which in turn enhances the transformation efficiency.

• 甾体是一类疏水性物质,在水中的溶解度极低。因此,创建合理有效的生物转化体系对提高底物有效浓度,进而提高转化率具有重要意义。