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A Chemically Safe Way to Produce Insect Biomass for Possible Application in Feed and Food Production

Author

Listed:
  • Cristina Truzzi

    (Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy)

  • Anna Annibaldi

    (Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy)

  • Federico Girolametti

    (Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy)

  • Leonardo Giovannini

    (Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy)

  • Paola Riolo

    (Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy)

  • Sara Ruschioni

    (Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy)

  • Ike Olivotto

    (Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy)

  • Silvia Illuminati

    (Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, via Brecce Bianche, 60131 Ancona, Italy)

Abstract

Black soldier fly ( Hermetia illucens , HI, Diptera, Stratiomydae) has great potential as a food and feed ingredient in the European Union (EU). The production of insects as livestock feed or as food ingredients requires strict monitoring of the content of potentially toxic elements (PTEs) in the growth substrate, to meet the security requirements. This study aims to investigate the presence of PTEs, like cadmium, lead, mercury, arsenic, and nickel, in HI prepupae and in their growth substrates based on coffee roasting by-product and microalgae Schizochytrium sp. and Isochrysis sp. Analyses were carried out via graphite furnace atomic absorption spectrophotometry for Cd, Pb, Ni, and As, and via Direct Mercury Analyzer for Hg. All element concentrations found in growth substrates were below the legal limit of undesirable substances in animal feed (2002/32/EC). Elements concentrations in HI prepupae were in the range (mg kg −1 wet weight) of 0.072 to 0.084 for Cd, 0.018 to 0.026 for Pb, 0.010 to 0.032 for Hg, 0.036 to 0.047 for As, and 0.18 to 0.76 for Ni. Even if HI prepupae accumulated Cd, Pb, and Hg, our results indicated that the risk of exposure to PTEs from HI prepupae consumption is relatively low and in compliance with EU regulations.

Suggested Citation

  • Cristina Truzzi & Anna Annibaldi & Federico Girolametti & Leonardo Giovannini & Paola Riolo & Sara Ruschioni & Ike Olivotto & Silvia Illuminati, 2020. "A Chemically Safe Way to Produce Insect Biomass for Possible Application in Feed and Food Production," IJERPH, MDPI, vol. 17(6), pages 1-15, March.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:6:p:2121-:d:335756
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    References listed on IDEAS

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    1. Handley, M.A. & Hall, C. & Sanford, E. & Diaz, E. & Gonzalez-Mendez, E. & Drace, K. & Wilson, R. & Villalobos, M. & Croughan, M., 2007. "Globalization, binational communities, and imported food risks: Results of an outbreak investigation of lead poisoning in Monterey County, California," American Journal of Public Health, American Public Health Association, vol. 97(5), pages 900-906.
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    Cited by:

    1. Sharnil Pandya & Thippa Reddy Gadekallu & Praveen Kumar Reddy Maddikunta & Rohit Sharma, 2022. "A Study of the Impacts of Air Pollution on the Agricultural Community and Yield Crops (Indian Context)," Sustainability, MDPI, vol. 14(20), pages 1-17, October.

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