论文部分内容阅读
20世纪90年代以来,欧美国家形成一种回归大自然的潮流,天然植物药品在全球日益受到关注。人类越来越觉察到合成化学药物命中率明显降低,由900个化合物中筛选到一个新药降到10000个筛选一个新药,创制成本越来越高,新药研制成本高达数亿美元,研制周期也越来越长,新药创制需10年左右,再加越来越多的毒副作用和耐药性问题,促使了天然药物潮流的兴起,2000年,国际市场药用植物及其制品的年成交额已逾300亿美元,占世界药品市场份额逐步扩大。而且
Since the 1990s, Europe and the United States have formed a trend of returning to nature. Natural botanical drugs have drawn more and more attention all over the world. Human beings are increasingly aware that the hit rate of synthetic chemotherapeutic drugs is significantly reduced. One new drug is screened out of 900 compounds to 10,000 to screen a new drug. The cost of creation is higher and higher, and the cost of developing new drugs is as high as hundreds of millions of dollars. The development cycle is also greater The longer it takes, the creation of new drugs will take about 10 years, adding more and more toxic and side effects and drug resistance issues, prompting the rise of natural drug trends. In 2000, the annual turnover of medicinal plants and their products in the international market Over 30 billion U.S. dollars, accounting for the gradual expansion of the pharmaceutical market in the world. and