Table 2.
Phytochemical composition of YPFS by HPLC analysis (1 g crude herbs/mL).
| Number | The number of peak | Ingredient | Standard curve | R 2 | Concentration (μg) |
|---|---|---|---|---|---|
| 1 | 5 | prim-O-Glucosylcimifugin | Y = 13.273X + 88.432 | 0.9997 | 356.03 |
| 2 | 6 | Calycosin-7-O-β-D-glycoside | Y = 14.362X + 93.928 | 0.9998 | 378.05 |
| 3 | 7 | Cimifugin | Y = 18.209X + 64.563 | 0.9997 | 216.32 |
| 4 | 8 | 4-O-β-D-Glucosyl-5-O-methylvisamminol | Y = 11.508X + 79.576 | 0.9997 | 458.96 |
| 5 | 10 | Psoralen | Y = 19.124X + 73.674 | 0.9997 | 82.06 |
| 6 | 11 | Calycosin | Y = 23.541X + 54.335 | 0.9998 | 116.34 |
| 7 | 12 | sec-O-Glucosylhamaudol | Y = 94.721X + 15.198 | 0.9997 | 165.18 |
| 8 | 13 | Formononetin | Y = 15.122X+48.647 | 0.9998 | 91.14 |
| 9 | 15 | Atractylon | Y = 13.1812X + 11.548 | 0.9997 | 51.40 |