Comparative Pharmacokinetic Studies of Four Ginsenosides in Rat Plasma by UPLC-MS/MS after Oral Administration of Panax quinquefolius-Acorus gramineus and Panax quinquefolius Extracts

Figure 3

Representative MRM chromatograms of Rb₁, Rd, Re, Rb₂, and IS in rat plasma samples. Blank rat plasma (a), a blank plasma with IS and analytes at MQC levels (b), a plasma sample taken 8 h after oral administration of PQ (c), and PQ-AG extracts (d).

(a)

(b)

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