Samples | Matrine (%) | Oxymatrine (%) | Total (%) |
| S. flavescens extract | 0.31 | | 0.31 |
| 1 | 0.37 | 0.10 | 0.47 |
| 2 | 0.15 | | 0.15 |
| 3 | 0.00 | 0.00 | 0.00 |
| 4 | 0.01 | | 0.01 |
| 5 | 0.00 | | 0.00 |
| 6 | 0.27 | 0.05 | 0.32 |
| 7 | 0.23 | | 0.23 |
| 8 | 0.59 | | 0.59 |
| 9 | 0.18 | | 0.18 |
| 10 | 0.12 | 0.16 | 0.28 |
| 11 | 0.16 | | 0.16 |
| 12 | 0.24 | | 0.24 |
| 13 | 0.05 | 0.14 | 0.19 |
| 14 | 0.35 | | 0.35 |
| 15 | 0.45 | | 0.45 |
| 16 | 0.66 | 0.05 | 0.71 |
| 17 | 0.35 | 0.12 | 0.47 |
| 18 | 0.01 | | 0.01 |
| 19 | 0.14 | | 0.14 |
| 20 | 0.32 | | 0.32 |
| 21 | 0.23 | 0.12 | 0.35 |