Chinese Herbal Medicine Shizhu Huanglian

Shizhu County, Chongqing Stone Pillar-Huanglian township, rich in valuable Chinese herbal medicine Huanglian, has the reputation of China Huanglian Township.

1959 "Sichuan Medical College Journal" "Huanglian History" Yue:  "Emei, Hongya wild varieties known all over the world, stone pillar cultivation varieties of good quality, production of a national ". In 1989, at the first China National Highway Symposium on Medicinal Materials, the pillar Huanglian was recognized as the land of Huanglian.

The stone column Huanglian is the dry rhizome (flavor connection) of Ranunculaceae Huanglian plant Huanglian coptis chinensis Franch., which is cultivated by shade, lixia seed harvesting, autumn sowing (two years in seedling stage), Spring transplanting, five years after autumn mining, shaking off sediment, cutting roots, stem and leaf, kang firewood drying, bamboo cage hair removal,Crash the residual roots and sediment, remove impurities is the finished product. Products are clustered into clusters, often bent, shaped like chicken claws, so commonly known as  "Chicken Claw company ", medicinal products for  "Flavor company ". The surface is grayish yellow or yellowish brown, rough, with irregular detail bulges, roots and roots residues, and some internodes have smooth surfaces such as stems. Upper multiple residual brown scales, often with residual stems or petioles at the top. Hard, untidy section, orange red or dark brown skin, bright yellow or orange wood, radially arranged, some hollow medulla.

Qi Micro, taste extremely bitter. The main product contains Berberine (berberine), also contains Huanglian alkali, methyl huanglian alkali, palm leaf anti-alkali, African anti-alkali, palm alkali, bamatine alkali and other alkaloids, still contains cypress, Huang ester. Sex cold, bitter taste. Into the heart, liver, gall, spleen, stomach, large intestine six sutra.

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.