Five compounds were isolated from the seeds of Dysoxylum cauliflorum and their structures were elucidated as β-sitosterol (1),ethyl gallate (2),daucosterol (3),1-O-β-D-glucopyranosyl-(2S,3S,4R,SZ)-2-N-(2′-hydroxytetracosanoyl) octadecasphinga-8-ene (4),and 2,3,2",3"-tetrahydroamentoflavone (5).All of these compounds were isolated from this plant for the first time.Compound 5 was evaluated for cytotoxicity against five human cancer cell lines but showed no inhibitory activities.%从茎花葱臭木种子中分离得到5个化合物,经理化与波谱分析鉴定为β-谷甾醇(1)、没食子酸乙酯(2)、胡萝卜苷(3)、1-O-β-D-吡喃葡萄糖基-(2S,3S,4R,8Z)-2-N-(2 ′-羟基二十四烷酰氨基)十八二氧鞘氨-8-烯(4)和2,3,2″,3″-四氢穗花杉双黄酮(5).这5个化合物均首次从该植物中分离得到.其中化合物5进行细胞毒活性测试,没有显示抑制活性.
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