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【材料和方法】材料系延边药品检验所1972年9月采于延吉县的东川芎Cnidium officinalis Makino块状根茎干品。材料经流水冲洗,以“FAA”液固定,按一般石腊切片法制片。经苏木精染色,以番红复染。间苯三酚溶液和浓盐酸用于木化壁的检验。硝酸铬酸(20％硝酸与2n％铬酸等量混合)和氢氧化钾5％水溶液分别用于木化组织和薄壁组织的分离。粉末和分离材料则均以稀甘油
Materials and Methods Materials Yanbian Drug Inspection Institute in September 1972 collected in Yanji County Dong Chuanxiong Cnidium officinalis Makino massive rhizome dry goods. The material was rinsed with water, fixed with “FAA” solution, and prepared according to the general paraffin section method. After hematoxylin staining to complex red dye. Phloroglucinol solution and concentrated hydrochloric acid for wood wall test. Nitric acid chromic acid (20% nitric acid mixed with 2n% chromic acid equivalent) and potassium hydroxide 5% aqueous solution were used for the separation of woody tissue and parenchyma. Powder and separation materials are diluted with glycerol