The determinations of omega-3 fatty acid [LNA, C22:6w-3], eiscosapentaenoic acid [EPA, C20;5w] and docosahexaenoic acid [DHA, C22w-3], in corbicula javanica mousson using gas chromatography have been done. The aim of this research was to obtain information of the health-voluable subtances in corbicula javanica mousson. LNA, Epa, DHA as fat samples were extracted by soxhlet extractor for 6 hours…