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苦参为豆科植物,药用为根,是常用中药。主要有效成分为苦参碱和氧化苦参碱。这两种成分都易溶于水。《中华人民共和国药典》1977年版中规定“洗净、浸泡约六成透时,润透切片”。《中药大辞典》中规定“鲜根切片晒干”。《本草纲目》“用糯米浓泔汁浸一宿,重重淘过,即蒸之,从巳至申,取晒切用”(上册,798页)。今采用硅钨酸盐法对苦参鲜药材直接加工及对于药材采用蒸、水浸、米水浸四种不同炮制方法
Sophora flavescens is a leguminous plant with medicinal roots and is a commonly used Chinese medicine. The main active ingredients are matrine and oxymatrine. Both of these ingredients are soluble in water. The 1977 edition of the “Pharmacopoeia of the People’s Republic of China” stipulated that “washing, immersing about 60% penetration, and moistening slices”. “Chinese Dictionary” stipulates that “fresh root slices dried.” “Compendium of Materia Medica,” “soaking with glutinous rice juice for a night, heavily scouring, that is, steamed, from wolfberry to Shen, take drying cut with” (Volume 1, page 798). Nowadays, four different processing methods are adopted for the direct processing of the fresh medicinal materials of flavescens using the silicotungstate method and steaming, water immersion and rice immersion for the medicinal materials.