Fuente: PubMed "apiculture" Bioresour Technol. 2026 Apr 12;453:134607. doi: 10.1016/j.biortech.2026.134607. Online ahead of print.ABSTRACTThis study evaluated the potential of black soldier fly larvae (BSFL) for bioconverting Spirulina residue (SR) and the regulatory impacts of SR on BSFL quality. Multiscale analyses revealed that SR significantly improved the growth performance of BSFL, with a 9.8% increase in final larval weight and a 28.8% enhancement in bioconversion efficiency. Nutritionally, SR supplementation elevated the essential amino acid index by 28.0%, driven by a remarkable enrichment of branched-chain amino acids (e.g., valine increased by 1160%). The n-3 polyunsaturated fatty acid (PUFA) content increased by 23.9%, while the β'-crystal proportion in lipids was significantly increased. Vitamin K1 accumulation reached 41.2-fold higher levels (146.57 vs. 3.48 ng/g), and vitamin C content increased by 62.1%. Metabolically, SR inhibited the TCA cycle (citric acid decreased by 87.8%) and activated the d-amino acid pathway, collectively promoting branched-chain amino acid synthesis and optimizing amino acid balance. This study for the first time elucidates how SR reprograms the metabolic network of BSFL to enhance nutritional quality and reveals BSFL's extraordinary bioaccumulation capacity for vitamin K1. These findings provide a theoretical foundation for valorizing SR and developing functional BSFL-derived products.PMID:41974384 | DOI:10.1016/j.biortech.2026.134607