Reference standards | Precision (n = 6) | Repeatability (n = 6) | Stability (24 h, n = 6) | Recovery (n = 3) | ||||||
Intra-day | Inter-day | |||||||||
Mean (mg/g) | RSD (%) | Mean (mg/g) | RSD (%) | Mean (mg/g) | RSD (%) | Mean (mg/g) | RSD (%) | Recovery (%) | RSD (%) | |
Gallic Acid | 0.41 | 0.93 | 0.40 | 1.07 | 0.80 | 1.81 | 0.53 | 1.73 | 100.22 | 3.03 |
Oxypaeoniflorin | 1.89 | 1.18 | 1.82 | 1.32 | 2.17 | 1.65 | 4.60 | 0.84 | 98.96 | 0.72 |
Paeonolide | 1.14 | 0.88 | 1.09 | 1.22 | 0.23 | 2.63 | 0.76 | 2.19 | 98.05 | 1.78 |
Paeoniflorin | 1.70 | 0.47 | 1.57 | 1.28 | 11.31 | 2.50 | 20.91 | 2.45 | 99.21 | 2.57 |
Benzoylpaeoniflorin | 1.12 | 0.64 | 1.04 | 2.08 | 1.29 | 1.78 | 1.15 | 1.98 | 98.84 | 1.18 |
Paeonol | 2.31 | 0.73 | 2.20 | 0.99 | 19.98 | 0.39 | 19.67 | 0.52 | 99.54 | 1.15 |