A simple method has been developed for the analysis of the fatty acids in Citrus grandis(L.)Osbeck var.wentanyu Hort utilizing coupled GC/MS.After the extraction using ether as solvent by Soxhlet's apparatus and esterification by potassium hydroxide-methanol,the components and corresponding content of the fatty acid components is determined.13 kinds of fatty acids are identified.The main ingredient is unsaturated fatty acid such as 9,12-Octadecadienoic acid.The method is simple and adapt for the future rese...