TABLE 1.
Detailed information of Yin-Yang-Huo, Du-Zhong, Bu-Gu-Zhi and Tu-Si-Zi.
| Herbs | Latin name | Full taxonomic name | Place of origin | Weight (g) |
|---|---|---|---|---|
| Yin-Yang-Huo | Epimedium brevicornum | Epimedium brevicornu Maxim. | Gansu, China | 10 |
| Du-Zhong | Cortex eucommiae | Eucommia ulmoides Oliv. | Gansu, China | 10 |
| Bu-Gu-Zhi | Malaytea scurfpea | Cullen corylifolium (L.) Medik. | Yunnan, China | 10 |
| Tu-Si-Zi | Semen cuseutae | Cuscuta chinensis Lam. | Hebei, China | 12 |