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洋苏木(Haematoxylon Copechian-um L.)是产于中南美和西印度群岛等地区的一种热带植物。从它的红褐色或紫褐色心材中提取的色素——苏木精(Haem-toxylin),是生物制片的一种重要染料,主要用于动植物染色体的染色,医学上常对病变组织切片,用它染色,进行病理研究,国外还用于羊毛、棉布、丝绸和麻布等染色。至今,我国用的苏木精均依靠进口。
Haematoxylon Copechianum is a tropical plant found in Central and South America and the West Indies. Haem-toxylin, a pigment extracted from its reddish-brown or purple-brown heartwood, is an important dye in bioproduction and is mainly used for the dyeing of animal and plant chromosomes. In medical practice, diseased tissue sections , Stained with it, for pathological studies abroad also for wool, cotton, silk and linen dyeing. So far, China’s use of hematoxylin are imported.