Figure 4.
Variability in glucuronide formation rates between liver microsomes prepared from 16 different cats. Each filled circle represents the average of duplicate determinations of glucuronide formation rates (7-OH-glucuronidation for isoflavones and 3-OH-glucuronidation for estradiol) for an individual cat measured using 35 µM genistein, daidzein, or equol, or 100 µM estradiol substrate concentration.