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Extraction recovery, and intra-day and inter-day precision and accuracy data from HPLC analysis of puerarin (n = 5).
| Analyte | Concentration (μmol/L) | Extraction Recovery (%) | Intra-Day | Inter-Day | Accuracy (%) | ||
|---|---|---|---|---|---|---|---|
| Mean ± SD (μmol/L) | Relative SD (%) | Mean ± SD (μmol/L) | Relative SD (%) | ||||
| Puerarin | 0.2 | 90.81 ± 7.23 | 0.21 ± 0.02 | 8.51 | 0.22 ± 0.02 | 7.51 | 5.53 |
| 50 | 91.62 ± 3.64 | 51.62 ± 2.18 | 4.22 | 51.31 ± 1.96 | 3.82 | 3.20 | |
| 80 | 93.61 ± 4.32 | 81.31 ± 4.58 | 5.63 | 81.22 ± 4.42 | 5.44 | 4.12 | |
