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Nitrogen-to-Protein Conversion Factors for Three Edible Insects: Tenebrio molitor, Alphitobius diaperinus, and Hermetia illucens
Open accessAbstract
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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Citations
Cited by
Meneguz, M., Schiavone, A., Gai, F., Dama, A., Lussiana, C., Renna, M., & Gasco, L. (2018) · Journal of the Science of Food and Agriculture · doi:10.1002/jsfa.9127 · Cited by 532
Surendra, K. C., Tomberlin, J. K., van Huis, A., Cammack, J. A., Heckmann, L.-H. L., & Khanal, S. K. (2020) · Waste Management · doi:10.1016/j.wasman.2020.07.050 · Cited by 456
Insect meals in fish nutrition
Nogales‐Mérida, S., Gobbi, P., Józefiak, D., Mazurkiewicz, J., Dudek, K., Rawski, M., Kierończyk, B., & Józefiak, A. (2019) · Reviews in Aquaculture · doi:10.1111/raq.12281 · Cited by 361
Caligiani, A., Marseglia, A., Leni, G., Baldassarre, S., Maistrello, L., Dossena, A., & Sforza, S. (2018) · Food Research International · doi:10.1016/j.foodres.2017.12.012 · Cited by 348
Gold, M., Cassar, C. M., Zurbrügg, C., Kreuzer, M., Boulos, S., Diener, S., & Mathys, A. (2020) · Waste Management · doi:10.1016/j.wasman.2019.10.036 · Cited by 320
Metadata
- Authors
- Janssen, R. H., Vincken, J.-P., van den Broek, L. A. M., Fogliano, V., & Lakemond, C. M. M.
- Venue
- Journal of Agricultural and Food Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-03-14
- Volume
- 65
- Issue
- 11
- Pages
- 2275-2278
- ISSN
- 0021-8561 (ISSN-L)
- 1520-5118
- OpenAlex
- W2593422125
- Cited by
- 813
- References
- 0
- FWCI
- 36.04
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- The paper
- Janssen, R. H., Vincken, J.-P., van den Broek, L. A. M., Fogliano, V., & Lakemond, C. M. M. (2017). Nitrogen-to-Protein Conversion Factors for Three Edible Insects: Tenebrio molitor, Alphitobius diaperinus, and Hermetia illucens. Journal of Agricultural and Food Chemistry. https://doi.org/10.1021/acs.jafc.7b00471
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