Plant Coptis chinensis Franch

Stone column  "Shennong brand " Huanglian has the characteristics of branch fertilizer, thick meat, strip length, color and active ingredients, its berberine (berberine) (also known as berberine) content of 5.20-7.69% ("Chinese Pharmacopoeia" 2000 edition provisions must not be less than 3.6%); Huanglian alkaloids (Huanglian alkali ( Coptise), methyl huanglian alkali (worenine), Bamatine (palmatine), drug root alkali (jatrorrhizine), etc.) content of less than 0.5%. In addition, Magnolia Alkali (magnoforine) and a green fluorescent acid (LUMICARULEICACID), or ferulic acid (ferulic acid), are still included.

Stonehenge Huanglian mainly produces in Shizhi County yellow water town Yellow Water National Forest Park Gale Fort Primeval Forest area, the region's unique climate, water quality and soil conditions are the best growth area of the stone pillar Huanglian, in 1991, the State Ministry of Agriculture invested in the establishment of the national Huanglian Gap demonstration base in Huang Water town, the town also established China's largest Huanglian trading market.

Quality Technical Requirements

(i) Planting range: suitable planting area between 1000 and 1800m above sea level.

(ii) Seed seedlings: seed seedlings from the Shizhu County plant Huanglian coptis chinensis Franch, which are self-bred in the autologous breeding area.

(iii) Process Technical requirements

1. Cultivation: Strict implementation of the standardized production technical standard operation of the column "Procedures";

2, Harvest: Should be in the autumn of each year with special tools for artificial harvesting;

3, Processing: The use of traditional Huanglian kang, firewood baking, drying, with bamboo groove cage hair removal;

4, Transport: Transport containers should be ventilated, dry, rainproof, moisture-proof, not with other toxic, harmful, easy to Chuanwei items mixed.

(iv) Quality features:

1, the perception of the requirements.

String: Dry, physical, the top has a pile mouth, the surface grayish yellow or yellowish brown, the cross section yellow or orange yellow, no blackened, mildew, moth moth; branch: Single branch, dry, physical, no hair, no branching bright bridge, branches longer than 3cm, diameter more than 0.3cm, no blackened, mildew, moth.

2, physical and chemical indicators: Berberine with Berberine hydrochloride (C20H17N04.HC1): String ≥5%, branch ≥ 7%; safe moisture: ≤14%; Total ash: ≤5%; impurities: ≤1%; mercury ≤0.2mg/kg; cadmium ≤0.3mg/kg; lead ≤5.0mg/kg; Arsenic ≤2.0mg/kg.