The analysis of volatile odor composition in coffee oil from coffee grounds was carried out by GC/MS after the oilwas treated by distillation and column chromatography.

• 采用水蒸气蒸馏法和柱色谱法对咖啡油样品进行预处理,然后,用GC/MS联用仪对咖啡油中的挥发性香气成分进行分离、鉴定。