味连,黄连的习称之一,为多年生草本植物毛莨科植物黄连的干燥根茎,是一种常用中药,最早在《神农本草经》中便有记载,因其根茎呈连珠状而色黄。其性寒、味苦,归心经、脾经、胃经、肝经、胆经、大肠经。具清热燥湿、泻火解毒之功效。秋季采挖。除去须根及泥沙,干燥,撞去残留须根。味连性状多集聚成簇,常弯曲,形如鸡爪,单枝根茎长3至6cm,直径0.3至0.8cm。表面灰黄色或黄褐色,粗糙,有不规则结节状隆起、须根及须根残基,有的节间表面平滑如茎秆,习称“过桥”。上部多残留褐色鳞叶,顶端常留有残余的茎或叶柄。质硬,断面不整齐,皮部 Taste even, Coptis habitus one of the perennial herbaceous plant Coptis dry rhizome, is a commonly used traditional Chinese medicine, the earliest in the “Shen Nong’s Materia Medica” will be recorded, because of its rhizome was Lianzhuang and color yellow . Its cold, bitter, attributed by the spleen, stomach, liver, gallbladder, large intestine. With heat dampness, purging fire detoxification effect. Fall excavation. Remove the fibrous roots and sediment, dry, hit the residual fibrous roots. Taste even polygamy gathered clusters, often curved, shaped like chicken feet, single branch length 3 to 6cm, diameter 0.3 to 0.8cm. Surface grayish yellow or brown, rough, irregular nodular bump, fibrous roots and fibrous roots, and some internode smooth surface, such as stems, Xi said “bridge.” The upper part of the residual brown scale leaves, often leaving the top of the stem or petiole. Hard, irregular section, skin