From: Simultaneous identification and determination of flavonoids in Dendrobium officinale
Compounds | Repeatability RSD (%) (n = 6) | Precisions | Stability RSD (%) (n = 6) | Recovery (%) | |||||
---|---|---|---|---|---|---|---|---|---|
Intra-day (n = 6) | Inter-day (n = 3) | Content (μg) | Spiked (μg) | Found (μg) | mean ± SD | RSD (%) | |||
Apigenin-6,8-di-C-β-d-glucoside | 0.61 | 0.50 | 0.80 | 0.43 | 21.62 | 22.21 | 44.62 | 101.54 | 1.24 |
Apigenin-6-C-β-d-xyloside-8-C-β-d-glucoside | 1.10 | 1.31 | 1.28 | 1.31 | 14.51 | 15.20 | 29.93 | 101.04 | 0.93 |
Schaftoside | 2.60 | 1.84 | 2.32 | 2.13 | 2.90 | 2.81 | 5.90 | 102.11 | 2.93 |
Isoviolanthin | 1.38 | 1.37 | 1.65 | 1.45 | 39.37 | 39.44 | 78.95 | 100.81 | 1.16 |
Rutin | 1.50 | 2.57 | 2.45 | 2.190 | 6.61 | 6.32 | 12.91 | 100.72 | 1.84 |