Abstract:In this paper, the fatty acid components of the seed oil of PolygaIa fallax wasanalysed and identified by means of GC and GC/MS. These fatty acids (%) were found tobe capric 0.3, lauric 0.3, myristic 0.1, palndtic 1.9, stearic 2.3, arachidic 2.6, oleic 3.8,llreicosenoic 88.5, and an unidentified comP0nent 0.2. It is reported for the first time inplant of Polygalaceae family with a high content of 11-reicosenoic acid.