Abstract
Bitter melon seed oil (BMSO) extracted by supercritical CO2was determined in the present study. At first, a single factor and orthogonal experiment were performed to explore the parameters of extraction pressure, temperature and time on the yield of oil. Then the constituents of extracted fatty acid were analyzed by GC-MS. The results showed that under the best conditions of extraction pressure (25MPa), extraction temperature (50°C) and extraction time (100 minutes), the yield of oil from shelling bitter melon seed was 36.1% with the CO2flow rate kept at 10kf/h. Moreover, BMSO was rich in linolenic acid and stearic acid, accounting for 42.362% and 31.481% respectively.
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