紫杉醇（ｔａｘｏｌ）是用于治疗转移性卵巢癌、乳腺癌的新型抗癌药，自从１９９２年１２月美国批准该药上市以来，许多国家已广泛应用此药治疗卵巢癌、乳腺癌及肺癌等癌症，并取得较好的疗效。紫杉醇最早是从美国太平洋红豆杉树皮中提取分离出来的，树皮中紫杉醇含量很低，据 Taxol is a new anticancer drug used to treat metastatic ovarian cancer and breast cancer. Since the United States approved the drug market in December 1992, many countries have widely used this drug to treat cancer such as ovarian cancer, breast cancer and lung cancer , And achieved better curative effect. Paclitaxel was first isolated from the bark of American Pacific yew, with a very low content of paclitaxel in the bark