Botanical Information Coptis japonica (Thunb.) Makino (under development)
| Synonyms | Coptis anemonifolia Siebold & Zucc. |
| Coptis anemonifolia var. dissecta Yatabe | |
| Coptis brachypetala Siebold & Zucc. | |
| Coptis brachypetala var. major Miq. | |
| Coptis japonica f. viridiflora Honda ex Kadota | |
| Coptis japonica var. anemonifolia (Siebold & Zucc.) H.Ohba | |
| Coptis japonica var. dissecta (Yatabe) Nakai ex Satake | |
| Coptis japonica var. major (Miq.) Satake | |
| Coptis occidentalis var. japonica Huth | |
| Coptis orientalis Maxim. | |
| Thalictrum japonicum Thunb. | |
| Common name (ja) | オウレン |
| Common name (ko) | 황련 |
| Sample preparation | To 0.5 g of pulverized Coptis Rhizome add 20 mL of methanol, shake for 2 minutes, filter, and use the filtrate as the sample solution |
| Mobile phase | 1-butanol, water, acetic acid 7:2:1 (v/v/v) |
| Derivatization | No derivatization |
| Sample preparation | Weigh 0.5 g of pulverized Coptis Rhizome, add 20 mL of methanol, shake for 2 minutes, filter and use the filtrate as the test solution |
| Mobile phase | n-butanol, acetic acid, water 7:1:2 (v/v/v) |
| Derivatization | No derivatization |