Table 3.
Components and contents of flavonoids from TFC.
| Peak | Compounds | RT (min) | Calibration Curve | R2 | TFC (μg/mg) | LOD | LOQ |
|---|---|---|---|---|---|---|---|
| 1 | Rutin | 13.970 | Y = 10.714x − 2.5708 | 0.9986 | 2.612 ± 0.275 | 0.070 | 0.235 |
| 2 | Hyperin | 14.919 | Y = 26.761x − 1.4147 | 0.9986 | 5.308 ± 0.093 | 0.032 | 0.105 |
| 3 | Isoquercitrin | 15.194 | Y = 13.457x − 9.2557 | 0.9985 | 13.301 ± 0.072 | 0.063 | 0.209 |
| 4 | Kaempferol-3-O-rutinoside | 16.192 | Y = 9.640x + 7.5889 | 0.9999 | 1.321 ± 0.097 | 0.094 | 0.314 |
| 5 | Luteolin-5-O-glucoside | 17.360 | Y = 11.221x + 2.8667 | 0.9982 | 13.479 ± 0.041 | 0.080 | 0.265 |
| 6 | Astragalin | 17.621 | Y = 11.88x + 55.128 | 0.9936 | 13.959 ± 0.025 | 0.084 | 0.279 |
| 7 | Afzelin | 20.211 | Y = 24.013x − 352.22 | 0.9909 | 9.781 ± 0.033 | 0.044 | 0.145 |
| 8 | Quercetin | 25.117 | Y = 13.745x − 21.717 | 0.9999 | 45.489 ± 1.206 | 0.080 | 0.267 |
| 9 | Kaempferol | 30.047 | Y = 13.554x – 3.8523 | 0.9993 | 51.293 ± 0.715 | 0.088 | 0.294 |