Influence of the killing method of the black soldier fly on its lipid composition.
Open accessAbstract
Black soldier fly (BSF, Hermetia illucens) represents a valuable source of biomolecules and it also constitutes an economic way to valorise residual biomasses. BSF prepupae contain high amounts of lipids (37% DM basis). The present investigation aimed at studying the composition of BSF lipids and the effect of killing/storage on their quality. The main fatty acid was lauric acid, sterols were represented primarily by beta-sitosterol and campesterol. Global fatty acid and sterol profiles, determined by GC-MS, were only slightly affected by the killing procedure, while lipid classes distribution, determined by 1 H NMR, strongly changed. Prepupae killed by freezing showed a drastic reduction of acylglycerols during storage and a relevant release of free fatty acids, likely due to activation of lipases. On the contrary, prepupae killed by blanching have a stable lipid fraction constituted mainly by triacylglycerols. Therefore, killing procedure strongly influences BSF oil composition and the potential applications.
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Lauric acid concentration and synthesis in Hermetia illucens may undergo small variations according to substrate, development stage, extraction methods, killing method, and storage.
“LA concentration and synthesis may, however, undergo small variations according to the substrate used, to the shift from lipogenesis to glycogenesis related to the development stage, to the extraction methods, and the killing method and storage (Alifian et al., 2019; Caligiani et al., 2019; Rabani et al., 2019; Ewald et al., 2020; Kierończyk et al., 2020).”
From Insect Derived Lauric Acid as Promising Alternative Strategy to Antibiotics in the Antimicrobial Resistance Scenario (2021) · cites this paper as Caligiani et al., 2019
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References 42 · Cited by 106
- Authors
- Caligiani, A., Marseglia, A., Sorci, A., Bonzanini, F., Lolli, V., Maistrello, L., & Sforza, S.
- Affiliations
- University of Parma (IT)
- University of Modena and Reggio Emilia (IT)
- Corresponding author
- Caligiani, Augusta
- Venue
- Food Research International
- Publisher
- Elsevier BV
- Published
- 2019-02
- Volume
- 116
- Pages
- 276-282
- ISSN
- 0963-9969 (ISSN-L)
- OpenAlex
- W2887349129
- Cited by
- 106
- References
- 42
- Citations by year
- 2026: 10 · 2025: 12 · 2024: 22 · 2023: 16 · 2022: 20 · 2021: 9 · 2020: 12 · 2019: 5
- FWCI
- 5.93
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Food Research International (publishedVersion)
- PubMed (publishedVersion)
- IRIS UNIMORE (University of Modena and Reggio Emilia) (submittedVersion, cc-by)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect Utilization and Effects
- Physical Sciences › Chemistry › Organic Chemistry › Edible Oils Quality and Analysis
- Life Sciences › Agricultural and Biological Sciences › Food Science › Food and Agricultural Sciences
- Keywords
- Hermetia illucens, prepupae, lipid composition, killing methods, freezing, blanching, storage stability, fatty acid composition, sterols, β-sitosterol, campesterol, triglycerides, glycerides, free fatty acids, lipase activity
- MeSH terms
- Animals, Body Composition, Diptera, Fatty Acids, Food Handling, Freezing, Glycerides, Homicide, Larva, Lipids, Simuliidae, Sterols
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