Research Article

Mechanisms Underlying the Differences in the Pharmacokinetics of Six Active Constituents of Huangqi Liuyi Decoction between Normal and Diabetic Nephropathy Mouse Models

Figure 1

The HPLC-MS/MS chromatogram of HQD. Blank sample (a), reference substance of six active ingredients in HQD (b), and HQD sample (c). (1) astragaloside IV, (2) calycosin-7-O-β-D-glucoside, (3) calycosin-glucuronide, (4) ononin, (5) formononetin, (6) glycyrrhizic acid, (7) puerarin (IS), (8) digoxin (IS).
(a)
(b)
(c)