Fig. 1From: Multiple circulating alkaloids and saponins from intravenous Kang-Ai injection inhibit human cytochrome P450 and UDP-glucuronosyltransferase isozymes: potential drug–drug interactionsMean plasma pharmacokinetics of three abundant alkaloids (a), two astragalosides (b), seven PPT-type ginsenosides (c), four PPD-type ginsenosides (d) and other five minor alkaloids (e) over the time after receiving an intravenous 30-min infusion of Kang-Ai injection in rats (6 mL/kg). See Additional file 1: Table S1 for the compounds’ ID and namesBack to article page