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Recovery results of spiked puerarin, daidzin, daidzein and genistein in Radix puerariae (n = 6).
| Compounds | Background Value (mg/kg) |
Spiking Level (mg/kg) |
Recovery (%) |
RSD (%) |
|---|---|---|---|---|
| Puerarin | 4366 | 2100 | 96.1 | 0.76 |
| 4000 | 101.3 | 1.2 | ||
| 6000 | 102.2 | 1.1 | ||
| Daidzin | 520 | 300 | 109.6 | 1.8 |
| 500 | 105.3 | 2.0 | ||
| 750 | 97.6 | 2.1 | ||
| Daidzein | 210 | 100 | 101.0 | 5.1 |
| 200 | 94.9 | 4.6 | ||
| 300 | 104.7 | 6.8 | ||
| Genistein | 25 | 14 | 102.2 | 7.7 |
| 28 | 90.7 | 6.4 | ||
| 42 | 90.5 | 6.1 |
