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一.绪言白及或称连及草,为兰科(Orchidaceae)植物 Bletilla striata(Thunb.)Rei-chb.f.的块茎,分布于长江流域一带,在浙江的新昌、嵊县、临安等县均产,此药根据中央卫生研究院发表的常用中药调查表已列为233种最常用中药中的一种。李时珍对此药的用途谓“根苦,平,无毒。主治痈肿恶疮败疽,伤阴死肌,胃中邪气,贼夷鬼击,痱缓不收,除白癣疥虫,结热不消,阴下痿。面上皯皰,令人肌滑。止惊邪血邪,血痢癎疾,风痹赤眼症结,温热疟疾,发背瘰疬,肠风痔瘘。扑损刀箭疮,汤火疮,生肌止痛,止肺血”。吴其浚称为补肺要药。除药用外,因白及含有大量胶
1. Introduction The white and or even Liancao is the tuber of Orchidaceae plant Bletilla striata (Thunb.) Rei-chb.f., which is distributed in the Yangtze River basin, in Xinchang, Ganxian and Lin’an counties in Zhejiang. Average production, this medicine has been listed as one of the 233 most commonly used Chinese medicines according to the commonly used Chinese medicine questionnaire published by the Central Health Institute. Li Shizhen’s use of the drug was “root bitterness, flatness, and non-toxicity. Indications were bloated, malignant sores, defeated diarrhea, injuries to yin and dead muscles, evils in the stomach, thief attacks, and relief, except for white worms, No heat, no phlegm, no sputum, no muscle irritations, no scared blood evils, blood dysentery, swollen red eyes, warm malaria, hair loss, intestinal wind phlegm. Depth knife sore, soup fire sores, myogenic pain, stop lung blood ”. Wu Qizhen called the lungs to medicine. In addition to medicinal use, due to white and contains a lot of plastic