Methods The compounds of Opuntia vulgaris were isolated by chromatography of Amberlite Dowex 50 and silica gel, and identified by means of UV, IR, MS, 1D and 2D NMR.

• 方法 采用硅胶柱色谱法、离子交换色谱法分离仙人掌化学成分 ,用波谱学方法鉴定结构。