黄连为毛莨科多年生草本植物黄连三角叶黄连或云连的根茎.性苦寒,归心、肝、胃、大肠经.具有清热燥湿,泻火解毒的功效.用于治疗肠胃湿热所致的泻痢呕吐、热盛引起的躁烦甚至神昏谵语以及热毒外攻所致的肿痛等.1有效成分及其作用黄连的有效成分主要是小蘖碱,次为黄连碱等.其抗菌谱广泛,特别对痢疾杆菌抗菌效果明显,对大肠杆菌、伤寒杆菌、绿脓杆菌等以及钩端螺旋体、阿米巴原虫均有抑制作用.对金色葡萄球菌的抑制能力较青霉素等要好.2炮制对其作用的影响黄连生用苦寒,去中焦之湿热,经酒制后可引药上行清上焦之火.姜汁制则缓和苦寒之性,治胃热呕吐.另吴茱萸制也可抑制苦寒之性.炒黄连、焦黄连、黄连炭随其炒制的程度其小蘖碱的含量随之下降,而其抗菌作用也相应降低.关于黄连炮制,《本草纲目》早有论述:“治本脏之火,则生用之;治肝胆之实火,测以猪胆汁浸炒;治肝胆之虚火,则以 Coptis chinensis is a perennial herb of the Ranunculaceae family, Coptis chinensis, or Rhizoma coptidis. It is characterized by bitter cold, heart, liver, stomach and large intestine meridians. It has the effects of heat and dampness, and purging and detoxifying. It is used to treat diarrhea caused by gastrointestinal heat and heat.痢 vomiting, irritability caused by heat Sheng even faint slang words and the thermal pain caused by external attacks such as swelling and pain. 1 active ingredients and their effects Coptis active ingredient is mainly berberine, followed by berberine, etc. Its antibacterial spectrum Extensive, particularly antibacterial effect against dysentery bacillus, Escherichia coli, Salmonella typhi, Pseudomonas aeruginosa, as well as Leptospira, amoeba protozoa have inhibitory effect on the inhibition of Staphylococcus aureus is better than penicillin and so on. The effect of the role of Huang Liansheng with bitter cold, go to the hot and humid in the coke, the wine can be cited after the upward clearing of the coke on the fire. Ginger juice is to ease the bitter cold, rule stomach heat vomiting. The other Wushen system can also suppress the bitter cold The nature of fried huanglian, Jiaohuanglian, Huanglian charcoal with its degree of berberine content decreased, and its antibacterial effect is also reduced accordingly. About the coptis concocted, “Compendium of Materia Medica” has long discussed: "cured dirty The fire is raw and used; The real fire, measured in pig bile dip fried; treatment of hepatobiliary virtual fire, places