| Title: | "Total replacement of dietary fish meal with black soldier fly (Hermetia illucens) larvae does not impair physical, chemical or volatile composition of farmed Atlantic salmon (Salmo salar L.)" |
| Author(s): | Bruni L; Belghit I; Lock EJ; Secci G; Taiti C; Parisi G; |
| Address: | "Department of Agriculture, Food, Environment and Forestry, University of Florence, Florence, Italy. Institute of Marine Research (IMR), Bergen, Norway" |
| ISSN/ISBN: | 1097-0010 (Electronic) 0022-5142 (Linking) |
| Abstract: | "BACKGROUND: The aquafeed sector has been replacing conventional dietary ingredients with more economic and eco-friendly ingredients. Insects embody a promising alternative as a result of being highly nutritious and showing traits leading to a circular bioeconomy. Atlantic salmon (Salmo salar L.) at the sea-water stage were fed diets with a partial or complete substitution of fishmeal with meal of Hermetia illucens larvae reared on a media containing Ascophyllum nodosum mixed with organic wastes (60:40). The present study aimed to assess the quality of fillets by characterizing its physico-chemical traits with conventional and innovative methods, such as the proton transfer reaction-time of flight-mass spectrometer technique, allowing the analysis of samples at room temperature. Finally, steamed fillets underwent a consumer test to investigate the liking of consumers and their intention of re-consumption. RESULTS: The main findings showed that a complete dietary substitution of fishmeal with H. illucens larvae meal did not impair the physico-chemical quality of A. salmon fillets. Notably, neutral n-3 polyunsaturated fatty acids (PUFA) slightly but significantly increased in the fillets of A. salmon fed H. illucens, also as a result of the additional fish oil present in the diets containing insect. The volatile organic profile was not altered by the different diets. The consumer-liking test revealed that Italian consumers appreciated the tested salmon irrespective of the administered feed. CONCLUSION: Tailoring the insect fatty acid profile by rearing the larvae on a PUFA-rich substrate, coupled with a dietary modulation of the oily source, can successfully maintain or even increase the cardioprotective characteristics of fillets. (c) 2019 Society of Chemical Industry" |
| Keywords: | "Animal Feed/*analysis Animals Diet/veterinary Fatty Acids, Unsaturated/analysis/metabolism Fisheries Larva/*chemistry/metabolism Meat/analysis Salmo salar/growth & development/*metabolism Simuliidae/chemistry/metabolism Volatile Organic Compounds/*analysi;" |
| Notes: | "MedlineBruni, Leonardo Belghit, Ikram Lock, Erik-Jan Secci, Giulia Taiti, Cosimo Parisi, Giuliana eng Ateneo Funds (ex-60%)/ 238997/Norwegian Research Council project Aquafly/ England 2019/10/28 J Sci Food Agric. 2020 Feb; 100(3):1038-1047. doi: 10.1002/jsfa.10108. Epub 2019 Nov 25" |
