| Family |
Ranunculaceae |
| Subfamily |
Coptidoideae |
| Tribe |
Coptideae |
| Scientific name |
Coptis japonica (Thunberg) Makino |
| Synonyms |
Coptis anemonaefolia Siebold & Zuccarini; Coptis orientalis Maximovicz;
Thalictrum japonicum Thunberg |
| Common name |
(Japanese common name) ouren (オウレン, 黄連 [meaning: Japanese pronunciation
of a Chinese traditional medicine (Coptidis Rhizoma))]), kiku-ba ouren (キクバオウレン, 菊葉黄連 [meaning: aster leaved ouren]) |
| (English common name) Japanese coptis |
| Distribution |
(Japan) Honshu (Japan Sea side) |
| (Other nations) none |
| Habitat |
Mountane forest |
| Chromosomal number |
2n=18 |
| Description |
Scapes 15-40cm tall. Leaves blade 1-pinnate with pinnatifid leaflets to 3-pinnate. Flowers white, yellow or pink filaments 8-12mm long, flowering in March
to April. Perennial plants. |
| Reference |
Coptis japonica (Thunb.) Makino |
| Novel dibenzo[a,g]quinolizinium compounds (US Patent 4042592/1977) |
| Anti-fungal substance and preparing method thereof (US Patent 4200629/1980) |
| Method for promoting fusion of plant protoplast (US Patent 4677066/1987) |
| Compounds, compositions and method of treatments for improving circulatory performance (US Patent 4761417/1988) |
| Method for producing secondary metabolites of plants (US Patent 4717664/1988) |
| Macrolide compounds (US Patent 5057536/1991) |
| Hair cosmetic composition (US Patent 5053222/1991) |
| Compositions and method of treatment for improving circulatory performance (US Patent 5153178/1992) |
| γ-glutamylcysteine transferase (US Patent 5116749/1992) |
| Dyed textile products and a method of producing them (US Patent 5221289/1993) |
| Method of cultivating animal or plant cells (US Patent 5180676/1993) |
| Extracted substance having anti-HIV activity (US Patent 5468487/1995) |
| Method for production of plant biological products in precocious neomorphic embryoids (US Patent 5850032/1998) |
| Therapeutic drug for acne vulgaris (US Patent 5807845/1998) |
| Extracted substance having anti-HIV activity (US Patent 5928645/1999) |
| Methods and compositions for production of floral scent compounds (US Patent 6558922/2000) |
| Antibacterial, bactericidal and antiseptic agent, dermatologic preparation and detergent composition (US Patent 6025312/2000) |
| Callus-specific promoters (US Patent 6031151/2000) |
| Beauty-treatment method (US Patent 6269817/2001) |
| Cosmetics (US Patent 6497889/2002) |
| DNA shuffling of monooxygenase genes for production of industrial chemicals (US Patent 6605430/2003) |
| Flexible tube for endoscope (US Patent 6616601/2003) |
| Methods of determining SAM-dependent methyltransferase activity using a mutant SAH hydrolase (US Patent 6610504/2003) |
| Insecticide obtained from plants for use on termites (US Patent 6641827/2003) |
| Hair growth inhibitors and composition containing same (US Patent 7285294/2007) |
| Pharmaceutical composition containing berberine as effective ingredient for preventing and treating addiction or tolerance to morphine (US Patent 7250422/2007) |
| Method for plant tissue culture (European Patent EP0282164) |
| Note |
Coptis japonica involves berberine, isolariciresinol, pinoresinol and so on. |
