Research Article
Analysis of Flavone C-Glycosides in the Leaves of Clinacanthus nutans (Burm. f.) Lindau by HPTLC and HPLC-UV/DAD
Table 2
Intra- and interday precision, recovery, and accuracy data.
| Compound | Precision (RSD % RT, AUC) | Recovery | Concentration (g/mL) | Intraday () | Interday () | Amount added (g/mL) | Recovery (%) | RSD (%) |
| Shaftoside | 5 | 3.24 | 2.80 | 5 | 95.33 | 2.18 | 10 | 2.96 | 2.11 | 10 | 102.10 | 3.49 | 20 | 0.85 | 3.39 | 20 | 95.50 | 0.74 |
| Orientin | 5 | 3.24 | 2.94 | 5 | 105.13 | 1.43 | 10 | 2.96 | 1.92 | 10 | 99.53 | 1.03 | 20 | 0.85 | 3.08 | 20 | 98.11 | 0.10 |
| Isovitexin | 5 | 1.55 | 0.96 | 5 | 101.97 | 2.93 | 10 | 4.18 | 2.43 | 10 | 97.67 | 3.53 | 20 | 0.70 | 3.29 | 20 | 96.49 | 0.53 |
| Vitexin | 5 | 2.38 | 2.11 | 5 | 102.61 | 1.25 | 10 | 3.11 | 4.54 | 10 | 101.50 | 2.10 | 20 | 0.62 | 3.48 | 20 | 95.52 | 1.43 |
|
|
AUC: area under curve.
|