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近发现我辖区有的单位将大叶柴胡的根茎及根当柴胡入药,大叶柴胡有毒,应注意与正品柴胡鉴别。北柴胡(Bupleurum chinense DC.):主根圆锥形,根头常留有茎基或纤维状叶基,下部具粗壮侧根,长5～12cm,直径0.3～1cm。表面浅棕色或土棕色,具纵皱纹、支根痕及皮孔。质坚韧,木质化,不易折断,断面片状纤维性,皮部浅棕色,木部黄白色。气微香,味微苦。
Recently, I discovered that some units in my area used the roots and roots of Bupleurum chinense as a drug, and Bupleurum chinense was toxic. We should pay attention to distinguishing it from genuine Chaihu. Bupleurum chinense DC.: The main root is conical, with stem base or fibrous leaf base often at the root, and stout lateral roots at the lower part, 5 to 12 cm long and 0.3 to 1 cm in diameter. Surface light brown or brown soil, with longitudinal wrinkles, root marks and lenticels. Tough, tough, lignified, not easily broken, cross-section fibrous sheet, light brown skin, yellow-white wood. The gas is slightly fragrant and the taste is slightly bitter.