Table 3. The AUCs of ginsenoside Rh2 epimers and their deglycosylation metabolites Ppd epimers after incubation of ginsenoside 20(S)-Rh2 or 20(R)-Rh2 in rat fecal microflora.

Durg	20(S)-Rh2 (nmol/L×h)	20(R)-Rh2 (nmol/L×h)	20(S)-Ppd (nmol/L×h)	20(R)-Ppd (nmol/L×h)
20(S)-Rh2 1 µM	843.0±6.3	312.8±12.4	43363.1±2970.5	ND
20(S)-Rh2 10 µM	9491.5±404.2	206.3±11.0	492692.9±11965.2	ND
20(R)-Rh2 1 µM	202.9±8.7	1074.0±56.8	399.3±64.8	29655.9±2008.8
20(R)-Rh2 10 µM	ND	55074.3±1394.1	ND	557984.8±6457.5

ND, Not detected.