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Precision, reproducibility, recovery, and stability of daidzein detected by HPLC method (n = 6)
| Components | Concentration (ng/mL) | Precision (%, RSD) | Reproducibility (%, RSD) | Recovery (%) | Stability (%, RSD) |
|---|---|---|---|---|---|
| Daidzein | 0.3125 | 1.18 | 0.83 | 96.0 | 2.17 |
| 10 | 1.01 | 0.71 | 96.2 | 2.01 | |
| 50 | 0.96 | 0.59 | 96.7 | 2.03 |
