Abstract
Here, we developed an efficient strategy for the production of lauric acid–enriched monoacylglycerol (MAG) via enzymatic glycerolysis using black soldier fly (Hermetia illucens) larvae (BSFL) oil. The effects of the substrate molar ratio, reaction temperature, type of immobilized lipase, and organic solvent on the MAG content and conversion degree of BSFL oil were optimized. The maximum substrate conversion rate (97.88%) and MAG content (70.84%) were obtained in a tert-butanol system at 50 °C with a glycerol/BSFL oil molar ratio of 4:1 by using immobilized MAS1 lipase as a catalyst. The MAG content in the purified product reached 97.7%, with lauric acid accounting for 50.2%. Improved oxidation stability was observed after glycerolysis. Overall, this study provides a new strategy for the preparation of lauric acid–enriched MAG from BSFL oil.
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Funding
This work was financially supported by the China Agriculture Research System (CARS-18-ZJ0503), the Science and Technology Planning Project of Guangdong Province (2019A050503002), the National Science Fund for Distinguished Young Scholars of China (31725022), the Key Program of National Natural Science Foundation of China (31930084), and the National Key R&D Program of China (2019YFD1002405).
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Conceptualization: Wanli Xu; Material preparation: Wanli Xu; Data collection and analysis: Wanli Xu; Writing—original draft preparation: Wanli Xu; Writing—review and editing: Long Xu and Xuan Liu; Formal analysis and investigation: Shi He and Yingrui Ji; Funding acquisition: Weifei Wang and Fanghua Wang; Resources: Weifei Wang
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Xu, W., Xu, L., Liu, X. et al. An Effective Strategy for the Production of Lauric Acid–Enriched Monoacylglycerol via Enzymatic Glycerolysis from Black Soldier Fly (Hermetia illucens) Larvae (BSFL) Oil. Appl Biochem Biotechnol 193, 2781–2792 (2021). https://doi.org/10.1007/s12010-021-03565-1
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DOI: https://doi.org/10.1007/s12010-021-03565-1