ArticleFrontiers in insect science2025
Evaluating the nutrient and fatty acid profiles of black soldier fly larvae (
Article in Frontiers in insect science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 1 paper.
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1 citing paper in PubMed.
- Sustainable Valorization of Oil Palm Coproducts: Physicochemical Characterization and Potential Use in Insect Bioconversion.Foods (Basel, Switzerland) · 2026Article
Corrections and comments
- Erratum issued
Authors and funding
11 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Introduction: Black soldier fly larvae (BSFL) have gained increasing attention as a sustainable alternative protein source for animal feed, particularly when reared on organic by-products. This study evaluated the nutritional composition of BSFL reared on different organic substrates to support sustainable feed production. Methods: BSFL were reared on five organic substrates: chicken feed, pig feed, soy milk residue, coconut press cake, and perilla cake. Larvae were cultivated in metal trays (23 × 15 cm) for 2-4 weeks under controlled conditions (28 ± 2 °C; 65 ± 5% relative humidity). At the prepupal stage, larvae were harvested and analyzed for dry matter, crude protein, crude fiber, ether extract, ash, growth performance, and fatty acid profiles. Results: Significant differences in nutritional composition were observed among substrates. Crude protein content was high in larvae fed chicken feed (50.55 ± 0.07%), pig feed (52.10 ± 0.14%), soy milk residue (52.15 ± 0.78%), and perilla cake (47.20 ± 0.00%). Crude fiber was highest in larvae fed soy milk residue (7.19 ± 1.48%) and perilla cake (5.38 ± 0.25%). Favorable growth performance was observed, with larvae reaching 0.22 ± 0.01 g in weight, 20.38 ± 0.36 mm in length, and 5.08 ± 0.05 mm in width. Fatty acid analysis revealed substantial levels of saturated and unsaturated fatty acids, including palmitic, oleic, and linoleic acids. Larvae reared on coconut press cake showed the highest saturated fatty acid content (74.91 ± 0.03%), while those fed soy milk residue exhibited the highest oleic (26.68 ± 0.06%) and linoleic acid (38.44 ± 0.07%) contents, resulting in increased polyunsaturated fatty acids (38.57 ± 0.03%). Discussion: The findings demonstrate that organic by-products commonly available in Thailand are suitable substrates for BSFL production and significantly influence larval nutritional quality. These substrates enable the production of nutrient-rich, cost-effective, and sustainable insect-based feed, contributing to responsible consumption, waste valorization, and food security.
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