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      Insect meals in fish nutrition

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          Utilization of plant proteins in fish diets: effects of global demand and supplies of fishmeal

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            Complete nutrient composition of commercially raised invertebrates used as food for insectivores

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              Nitrogen-to-Protein Conversion Factors for Three Edible Insects: Tenebrio molitor, Alphitobius diaperinus, and Hermetia illucens

              Insects are considered a nutritionally valuable source of alternative proteins, and their efficient protein extraction is a prerequisite for large-scale use. The protein content is usually calculated from total nitrogen using the nitrogen-to-protein conversion factor (Kp) of 6.25. This factor overestimates the protein content, due to the presence of nonprotein nitrogen in insects. In this paper, a specific Kp of 4.76 ± 0.09 was calculated for larvae from Tenebrio molitor, Alphitobius diaperinus, and Hermetia illucens, using amino acid analysis. After protein extraction and purification, a Kp factor of 5.60 ± 0.39 was found for the larvae of three insect species studied. We propose to adopt these Kp values for determining protein content of insects to avoid overestimation of the protein content.
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                Author and article information

                Journal
                Reviews in Aquaculture
                Rev Aquacult
                Wiley
                17535123
                September 06 2018
                Affiliations
                [1 ]HiProMine, S.A.; Robakowo Poland
                [2 ]Department of Animal Nutrition; Poznań University of Life Sciences; Poznań Poland
                [3 ]Division of Inland Fisheries and Aquaculture; Institute of Zoology; Poznań University of Life Sciences; Poznań Poland
                [4 ]Department of Preclinical Sciences and Infectious Diseases; Poznań University of Life Sciences; Poznań Poland
                Article
                10.1111/raq.12281
                efdbc5ee-0f6a-4d8f-afab-143c47d6a367
                © 2018

                http://doi.wiley.com/10.1002/tdm_license_1.1

                http://creativecommons.org/licenses/by-nc/4.0/

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