Table 1. Quantitative assessment of fifteen chemicals in YPFS, AR, AMR and SR extracts.
| Marker chemical | YPFS (mg/g) | AR (mg/g) | AMR (mg/g) | SR (mg/g) |
| Calycosin | 0.229±0.001 | 0.859±0.009 | - | - |
| Calycosin-7-O-β-D-glucoside | 0.443±0.004 | 1.709±0.021 | - | - |
| Formononetin | 0.256±0.006 | 1.174±0.021 | - | - |
| Ononin | 0.621±0.003 | 2.185±0.024 | - | - |
| Astragaloside II | 0.073±0.027 | 0.332±0.106 | - | - |
| Astragaloside III | 0.108±0.008 | 0.356±0.021 | - | - |
| Astragaloside IV | 0.111±0.002 | 0.344±0.009 | - | - |
| Atractylenolide I | 0.034±0.002 | - | 0.035±0.003 | - |
| Atractylenolide II | 0.044±0.001 | - | 0.057±0.004 | - |
| Atractylenolide III | 0.309±0.006 | - | 0.320±0.012 | - |
| Prim-O-glucosylcimifugin | 0.695±0.013 | - | - | 3.021±0.019 |
| 5-O-methylvisammioside | 0.469±0.014 | - | - | 1.824±0.027 |
| Scopoletin | 0.005±0.000 | - | - | 0.046±0.003 |
| Psoralen | 0.005±0.000 | - | - | 0.021±0.003 |
| Isopsoralen | 0.005±0.000 | - | - | 0.024±0.003 |
One mg/mL YPFS, or other herbal extract, was subjected to LC-MS to quantified the amount of the selected 15 chemical markers. Values are expressed in mg/g from dried extracts of YPFS, AR, AMR and SR, Mean ± SD, where n = 3, each with triplicate samples.