| 1 | Mint sichuan even water: fresh mint 50 grams, sichuan coptis 5 grams. | |
| 2 | Be abstracted on the research paper of wild Coptis by Chemical Abstract. | |
| 3 | If I ask you, bitter gourd , and berberine, what in common? | |
| 4 | Rhizoma coptidis was extracted with water, and silk fabrics were dyed with the extract. | |
| 5 | Quantitative analysis on different proportions of couple of Coptis and Scute. |