Abstract: The oils of teak seeds, citrus seeds, camphore tree seeds, Hami melon seeds, tomato seeds and tea tree seeds were extracted by supercritical CO2 fluid . The components of fatty acids were analysied by GS. The results of extraction show these seeds had higher oil contents which were about 35% and the analysis show higher linolic acid content which of Hami melon seeds was as high as 64.19%. Their exploitable prospect were discussed according to the testing result.

Key words: supercritical extraction, fatty acids, GS