Chinese Herbal Medicine Coptis

Coptis products, because of the original plant and origin of the difference, can be divided into the following several: 

① Taste even name: Chuanlian ("Herbal Mong"), Chicken Claw lian, chicken claw coptis, light lian. Dried rhizome of Plant coptis, much branched, often 3~6 branched, slightly curved, shaped like chicken claw, ca. 3~7 cm, Single branch diameter 3~8 mm. Brown in appearance, cork peeling place is red-brown, branches have intermittent transverse lines, nodules inflated, shaped like even, the majority of hard fine fibrous roots and fibrous scars, and some of the surface without transverse lines and smooth as the stem, Xi said "over the river branch" or "bridge pole"; There are many brown scale residue on the top, and the apical has an unused stem or petiole. Solid and hard, the cross section is not neat, the skin is dark brown, the wood is golden, the ray has fissures, the central marrow is red and yellow, occasionally hollow. Odorless, very bitter taste, chewing saliva can be dyed red and yellow. It is better to be fat, line shape, solid, cross-section red and yellow, without stump and fibrous roots. are cultivated products, the main production in Sichuan, Hubei.

Shaanxi (Pingli) is also produced. 

② Toideae ("Materia medica New") also name: Emei Lian, Jiading Lian, Thorn Gellian. It is a dried rhizome of the plant's triangular leaves. More than a single branch, few branches, slightly cylindrical, micro-curved to silkworm shape, about 4~8 cm, the diameter of about 3~9 mm. Appearance of brown or yellow-brown, intermittent transverse lines, nodules are obvious, there are most fibrous remnants, petiole residues and scales, "over the river branch" is less than the taste. Solid, the section is not aligned, the skin dark brown, the part of the deep yellow, the radiation is obvious, medullary department when there is hollow. Odorless, very bitter taste. It is better to have a fat makeup, a line shape, a solid quality, a yellow cross section, and no residual stems and fibrous roots.

are cultivated products, the main production in Sichuan (Emei, Hongya). 

③ Wild Coptis also name: The company of the Phoenix. The dried rhizome of the plant Emei Wild. The shape is similar to the JAS, but the top is left with a long 6~10 cm of the petiole, as a wild mark; rhizome more than a single branch or 2 branches, slightly curved, CA. 5~6 cm, diameter 4~6 mm, the appearance of black-brown, knot closely into a cross-shaped, no "over Jiang branch"; section of wood Fresh yellow. Are wild.

The main production of Sichuan (Emei, Hongya, Ebian), the production is very small, but generally considered the best quality. 

④ Yun Lian ("Materia medica New") is mainly dried rhizome of plant Yunnan Coptis chinensis. Smaller, more curved, Juluan, more a single branch, shaped like scorpion tail. Length ca. 1.5~8 cm, CA. mm in diam. Skin yellowish green or grayish yellow. The remaining features are roughly the same as those of the above varieties. Planted or wild. The main production of Yunnan (Deqin, Vici, Tengchong, Green River). In addition, the plant short calyx coptis root, the commodity is called "soil coptis" or "Chuan Lian", plant five-lobed root, in Yunnan also make "cloud Lian" use.