TABLE 2.
Herbal retention times and sample contents of components in QZTBD.
| Constituents | Retention times (min) | Sample contents (mg/g) |
|---|---|---|
| Astilbin | 13.180 | 0.1174 |
| Rutin | 13.427 | 0.0063 |
| Tetrahydropalmatine | 20.277 | 0.0140 |
| Quercetin | 25.013 | 0.0109 |
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