Botanical Information Coptis quinquefolia Miq. (procuring samples)
| Synonyms | Coptis morii Hayata |
| Coptis quinquefolia f. ramosa Makino | |
| Coptis quinquefolia var. pedatoquinquefolia Koidz. | |
| Coptis quinquefolia var. ramosa (Makino) Ohwi | |
| Coptis ramosa (Makino) Tamura |
| Sample preparation | Take 0.1 g of powder, add 5 ml of methanol, shake vigorously for 30 min, filter, take the filtrate as a solution |
| Mobile phase | n-butanol, acetic acid, water 7:1:2 (v/v/v) |
| Derivatization | No derivatization |