Taxol is a needle-shaped crystalline substance which was first extracted from the bark of the Pacific yew (Taxus brevifolia) by the National Cancer Institute (NCI) in the USA in 1966.
紫杉醇，是一九六六年美國「國家癌症研究中心」從太平洋紫杉樹皮中萃取出的針狀結晶物質。