TABLE 1

Product concentrations in the biotransformation by T. cucumeris at different initial pH valuesa

Initial pHProduct concn (mg/liter)
19-OH-RSS11β-OH-RSS7β-OH-RSS
9.0118 (±10)80 (±10)17 (±2)
6.077 (±10)62 (±5)60 (±5)
  • a The initial RSS concentration was 0.5 g/liter. The biotransformation experiments were carried out for 4 days and repeated three times (19).