In the laboratory, Li Cheng-yu discovered that callus cells in leaf cuttings contain taxol, and he began to culture these cells, in the hope of producing them consistently and in large quantities as a means to produce taxol.
在實驗室中，李承榆發現葉片癒合組織細胞中，含有紅豆杉醇，他遂開始在培養皿中培養癒合組織細胞，希望可以大量、穩定的培養癒合組織細胞，來生產紅豆杉醇。