Abstract: The fatty acids of fruit cucumber and dry cucumber were extracted by Soxhlet extraction, 11 fatty acids were separated and identified by GC-MS. The major fatty acids are 9,12-octadecadienoic acid (15.88%) and 9,12,15-octadecatrienoic acid (35.77%) for fruit cucumber and 9,12-octadecadienoic acid (15.41%) and 9,12,15-octadecatrienoic acid (24.24%) for dry cucumber.

Key words: fruit cucumber, dry cucumber, fatty acid, separation and identification, GC-MS