The project INSECT4CITY: assessment of benefits and risks of insect-based bioconversion for recycling bio-waste from urban and peri-urban areas - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Special Issue Proceedings of the Nutrition Society Year : 2022

The project INSECT4CITY: assessment of benefits and risks of insect-based bioconversion for recycling bio-waste from urban and peri-urban areas

Erwan Engel
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Christelle Planche
Bertrand Meda
Mustapha Berri
Sandrine Skiba

Abstract

In urban and peri-urban areas, where waste management is more than ever a major issue, insect farming may be an ecological way to recycle bio-waste in a circular bioeconomy approach. Indeed, someinsect species such as Hermetia illucens can grow on many types of organic substrates and can convert them into valuable byproducts(1). There may be a wide variety of insect bioconversion products since larvae are a natural source of micronutrients, amino acids and antimicrobial compounds. They are also rich in proteins which can be used for animal feed, in fats used for the production of biodiesel, in chitin used in various industries, and they produce a type of manure called frass that can be used as biofertilizer(2). However, besides its ecological and nutritional benefits, risks of insectbased bioconversion should be identified and monitored. Indeed, some chemical contaminants may be found in insect farming environment, in their feeding substrates or can be produced during processing methods(3). Moreover, microbiological contaminants may be found in the farming insect chain(4). Therefore, it is necessary to assess the impact of these contaminants on insect survival and to determine their fate in the insect. It is also important to assess the environmental, social and economic impact of insect-based bioconversion and to determine the consumer acceptability of these new processes and products
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hal-03685819 , version 1 (02-06-2022)

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Erwan Engel, Christelle Planche, Rallou Thomopoulos, Catherine Macombe, Christina Nielsen-Leroux, et al.. The project INSECT4CITY: assessment of benefits and risks of insect-based bioconversion for recycling bio-waste from urban and peri-urban areas. Proceedings of the Nutrition Society, 81 (SI), pp.E73, 2022, Proceedings of the Nutrition Society : Urban food policies for sustainable nutrition and health, ⟨10.1017/s0029665122000969⟩. ⟨hal-03685819⟩
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