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Abstract The increased interest in black soldier fly larvae (BSFL) oil is driven by its beneficial fatty acid composition, leading to the development of effective extraction methods. This study evaluated the impact of solvent extraction (SE) and enzyme-assisted extraction (EAE) on the yield and quality of BSFL oil. SE using hexane, petroleum ether, isopropanol, and ethanol after 6 hr of extraction resulted in higher yields compared to EAE using alcalase, papain, and trypsin after 24 hr, with the highest yield recorded for petroleum ether (33%), followed by isopropanol (30%). Isopropanol extraction demonstrated the highest antioxidant activity (77%). The results indicated a high saturated fatty acids (SFAs) content (63%–78%), with lauric acid being the predominant fatty acid (32%–42%). The SFAs content was significantly affected by SE and EAE, while the unsaturated fatty acid content showed no significant differences. Petroleum ether is an effective solvent for achieving high yield, and isopropanol is a prominent green solvent offering both high yield and strong antioxidant activity. These outcomes exhibit the flexibility of selecting oil extraction treatments for BSFL to meet specific needs of food products and applications.
Arachchige et al. (Wed,) studied this question.