从百合科葱属植物薤(Aliumchinense)鳞茎的抗凝和抗癌活性部位中,分离得到了6个化合物。经过化学方法和光谱分析(IR,EI MS,1HNMR,13CNMR,1H 1HCOSY,HMBC,HMQC和NOESY谱),鉴定它们的结构分别为(25R,S) 5α spirostane 3β ol3 O {β D glucopyranosyl (1→2) [β D glucopyra nosyl (1→3)] β D glucopyranosyl (1→4) β D galactopyranoside}(1),(25R,S) 5α spirostane 3β ol3 O {β D glucopyranosyl(1→2) [β D glucopyranosyl (1→3)](6 acetyl β D glucopyranosyl) (1→4) β D galac topyranoside}(2),(25R,S) 5α spirostane 2α,3β diol3 O {β D glucopyranosyl (1→2) O β D glucopyra nosyl (1→4) β D galactopyranosi