Table 5.
Stability of three components for 10 days in the SST (n=3)
| Compound |
Day |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
0 |
1 |
2 |
5 |
7 |
10 |
|||||||
| Mean ± SD (mg/g) | RSD (%) | Mean ± SD (mg/g) | RSD (%) | Mean ± SD (mg/g) | RSD (%) | Mean ± SD (mg/g) | RSD (%) | Mean ± SD (mg/g) | RSD (%) | Mean ± SD (mg/g) | RSD (%) | |
| Liquiritin |
2.8±0.04 |
1.59 |
2.8±0.00 |
0.03 |
2.8±0.01 |
0.34 |
2.8±0.01 |
0.44 |
2.6±0.00 |
0.05 |
2.7±0.01 |
0.50 |
| Baicalin |
60.9±0.04 |
0.06 |
60.9±0.04 |
0.07 |
60.0±0.26 |
0.43 |
61.0±0.17 |
0.28 |
60.8±0.07 |
0.11 |
60.6±0.02 |
0.04 |
| Glycyrrhizin | 2.3±0.01 | 0.63 | 2.3±0.03 | 1.14 | 2.3±0.02 | 0.65 | 2.3±0.00 | 0.07 | 2.4±0.00 | 0.17 | 2.3±0.01 | 0.45 |