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目前,世界各国对利用和研究植物药物治疗疾病的兴趣日益浓厚。许多国家都在积极寻找药用植物资源。例如,美国市场来自植物的药物和中间体,一年中销售额达90亿美元,并从世界各地广泛收集各种植物药,已进行初步筛选的品种约达20,525只。苏联调查了近3,000个品种的药用植物;印度最近十年亦对1,700种植物药进行筛选;日本则研究了400～
At present, there is growing interest in the use and research of plant drugs for the treatment of diseases in various countries in the world. Many countries are actively looking for medicinal plant resources. For example, in the United States market, pharmaceuticals and intermediates derived from plants have annual sales of 9 billion U.S. dollars, and various plant drugs have been widely collected from around the world. About 20,525 species have been initially screened. The Soviet Union investigated nearly 3,000 varieties of medicinal plants; India also screened 1,700 plant drugs in the last decade; Japan studied 400-