作者从石蝉草Peperomia dindygulensis Miq.全草中分得5个新的四氢呋喃木脂素(1～5)及4个已知化合物,研究了它们对3种肿瘤细胞生长的抑制作用。干燥、粉碎的该植物在室温下用甲醇超声提取3次。蒸干溶剂,剩余物悬浮于水后用己烷、醋酸乙酯和正丁醇分配。醋酸乙酯部位用硅胶柱色 The authors isolated five new tetrahydrofuran lignans (1–5) and four known compounds from the whole plant of Peperomia dindygulensis Miq. We studied their inhibitory effects on the growth of three types of tumor cells. The dried, comminuted plant was extracted with methanol three times at room temperature. The solvent was evaporated to dryness and the residue suspended in water and partitioned with hexane, ethyl acetate and n-butanol. Ethyl acetate with silica gel column