Rapid Determination of Isomeric Benzoylpaeoniflorin and Benzoylalbiflorin in Rat Plasma by LC-MS/MS Method

Figure 4

Typical MRM chromatograms of IS, BP, and BA: (a) blank rat plasma; (b) blank rat plasma spiked with IS (I, 100 ng/mL), BP (1 ng/mL), and BA (1 ng/mL); (c) rat plasma sample at 20 min after intragastric administration of BP spiked with IS; Roman numerals: I for IS, II for BP, and III for BA.

(a)

(b)

(c)