Abstract
The present study aimed to evaluate the effect of the type of pressurized fluid and the extraction process parameters on the yield, fatty acid profile, and bioactive compounds of monguba oil. The kinetic behavior of oil extraction was satisfactorily represented by Sovová's mathematical model. The use of n-propane resulted in higher oil yields compared to the use of CO2 with co-solvent. The yield obtained with propane extraction was lower than that obtained with Soxhlet extraction, but with significant process time saving (30 min vs. 16 h). The fatty acid profile was influenced by the solvent type and process parameters and the use of n-propane at lower temperatures (30 °C). Thus, we concluded that the extraction of monguba oil with the use of subcritical propane is a viable alternative resulting in time saving and oils with higher concentration of bioactive compounds.
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