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番泻叶是进口药材,国内不产。效用为泻热导滞、通便、利水。治热结积滞,便秘腹痛,水肿胀满。其主要有效成份为番泻甙。河北省使用的为豆科植物狭叶番泻(cassia angustifolia vahl)及尖叶番泻(cassia acutifolia delile)的干燥小叶。前者商品名印度番泻叶,主产于印度南部;后者商品名亚力山大番泻叶,主产于埃及尼罗河中上游地区。在进口的番泻叶中,常掺杂有同科植物耳叶番泻(又名圆叶番泻叶cassia auriculata L)的干燥小叶。据北京医学院生物教研组分析,这种番泻叶有效成份含量极微。在《进口药材部标准》WS_4-29—86[检查]项下,明确规定不得有耳叶番泻叶(习称圆叶番泻叶)。另外在邯郸地区曾发现有人用夹竹桃科植物罗布麻(apocynum venetum L)的干燥叶冒充番泻叶出售。为便于识别,现将三者的性状特征介绍如下。
Senna is an imported medicinal material that is not produced domestically. The effect is diarrhea, laxative, defecation, and water. Treatment of hot stagnation, constipation, abdominal pain, swelling of edema. Its main active ingredient is senna. The dry leaves of the cassia angustifolia vahl and cassia acutifolia delile are used in Hebei Province. The former trade name, India Senna Leaf, is mainly produced in southern India; the latter is the name of Alishan Senna Leaf, which is mainly produced in the upper reaches of the Nile River in Egypt. In the imported senna leaf, dry leaves of the same family of plant sennae (also known as saponica auriculata L) are often doped. According to the analysis of the biological teaching and research group of Beijing Medical College, this kind of senna leaf contains very little effective ingredients. In the “Imported Medicinal Products Standard” WS_4-29-86 [inspection], it is clearly stipulated that there must be no ear senna (commonly known as senna leaf). In addition, it was found in the Luan area that dried leaves of the apocynum venetum L plant of the family Apocynaceae were sold as senna leaf. For ease of identification, the characteristics of the three are described below.