Research Article
Simultaneous Determination of 13 Constituents of Radix Polygoni Multiflori in Rat Plasma and Its Application in a Pharmacokinetic Study
Table 2
Calibration curves, correlation coefficients, linear ranges, and LLOQ of the 13 analytes.
| Compound | Regression equation | Linearity (r) | Linear range (ng/mL) |
| Chrysophanol | Y = 0.0828X + 0.00155 | 0.9995 | 1–729 | Emodin | Y = 0.907X + 0.0512 | 0.9993 | 0.1–72.9 | Aloe-emodin | Y = 0.0652X + 0.00257 | 0.9994 | 0.1–72.9 | Rhein | Y = 0.465X + 0.119 | 0.9965 | 0.5–364.5 | Physcion | Y = 0.0253X + 0.0016 | 0.9948 | 0.5–364.5 | Questin | Y = 1.14X + 0.00681 | 0.9967 | 0.1–72.9 | Citreorosein | Y = 0.102X + 0.00161 | 0.9998 | 0.1–72.9 | Questinol | Y = 0.636X + 0.00179 | 0.9996 | 0.1–72.9 | TSG | Y = 0.1X + 0.0259 | 0.9969 | 0.3–218.7 | TG | Y = 0.592X + 0.00443 | 0.9993 | 0.1–72.9 | CG | Y = 0.138X + 0.00767 | 0.9995 | 0.1–72.9 | EG | Y = 0.54X + 0.0193 | 0.9991 | 0.1–72.9 | PG | Y = 0.0576X + 0.00158 | 0.9995 | 0.1–72.9 |
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