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Communication Dans Un Congrès Année : 2024

Development of performing biodegradable and biobased food packaging by the valorization of agricultural by-products

Résumé

Packaging plays a crucial role in food conservation and distribution, serving functions of transport, customer communication, and protection against various forms of contamination. Plastics are the main material used in primary packaging (in direct contact with food) and represent roughly one third of the mass of the packaging system. Faced with the plastic pollution of the environment, which is in part caused by single use plastics, improvements in the packaging system to decrease its environmental impact are necessary. Recent EU legislations, notably the SUP directive EU 2019/904, directly address reducing and even prohibiting single-use plastics. Utilizing biodegradable and biobased materials presents an opportunity to reduce the environmental footprint of packaging systems while promoting local circularity of agronomic resources (1). This involves incorporating by-products from agriculture and, at the end of their lifecycle, integrating these materials into biological waste treatment systems, such as composting or anaerobic digestion These materials must, of course, adhere to the safety and performance standards of food packaging. Various examples are discussed, focusing on the formulation of polylactides (PLA) with the aim of enhancing ductility and biodegradability using by-products from the vegetable oil industry (2). While the barrier properties of PLA against oxygen are lower than those of petrochemical benchmarks, active antioxidant packaging offers a method to achieve high-performance materials while utilizing underexploited resources like natural antioxidants (3,4). Notably, significant advancements in oxygen barrier properties have been realized through the incorporation of nanocelluloses and innovative material architectures (5,6). Blended poly-hydroxyalkanoates, potentially derived from agricultural byproducts, have demonstrated suitability for frozen food packaging (7). To bring these advancements to market successfully there is a need for collaboration across the supply chain. The co-development approach with stakeholders, exemplified by the Chaire CoPack project, is crucial for navigating trade-offs, enhancing acceptability, and preventing the shifting of environmental impacts from one point in the supply chain to another. References. 1. Le Delliou, B.; Vitrac, O.; Domenek, S. (2020) Agricultural, Forestry and Bioindustry Biotechnology and Biodiscovery, Chong, P. A.; Newman, D. J.; Steinmacher, D. A., Eds. Springer International Publishing: Cham, pp 227-257. 2. Ruellan, A.; Ducruet, V.; Gratia, A.; Saelices Jimenez, L.; Guinault, A.; Sollogoub, C.; Chollet, G.; Domenek, S. Polym. Int. 2016, 65, (6), 683-690. 3. Stoll, L.; Domenek, S.; Flores, S. H.; Nachtigall, S. M. B.; Rios, A. D. (2021) J. Appl. Polym. Sci. 11: 50302. 4. Stoll, L.; Maillard, M. N.; Le Roux, E.; Flôres, S. H.; Nachtigall, S. M. B.; Rios, A.; Domenek, S. Lwt-Food Science and Technology 2023, 180, 5. Faraj, H.; Follain, N.; et al. Polym. Test. 2022, 113, 107683. 6. Guivier, M.; Almeida, G.; Domenek, S.; Chevigny, C. Carbohydrate Polymers 2023, 312, 11. 7. Le Delliou, B.; Vitrac, O.; Castro, M.; Bruzaud, S.; Domenek, S. (2022) J. Appl. Polym. Sci. 139: 52124. 9.
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hal-04435429 , version 1 (02-02-2024)

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  • HAL Id : hal-04435429 , version 1

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Sandra Domenek. Development of performing biodegradable and biobased food packaging by the valorization of agricultural by-products. 1st International Congres on Food and Environmental Sciences ICFES 24', Genth University & University Moulay Ismail, Jan 2024, Meknès, Morocco. ⟨hal-04435429⟩
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