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Volume 14
Issue 3
10.3390/pr14030503
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Review

Sustainable Strategy to Fight Hidden Hunger Using Food Waste: The Case of Aquatic Food Products

by
El Hassan Ajandouz
1,*,
Marc Maresca
1,
Dimitris Sarris
2,
Henri Nouws
3 and
Viviane Robert
1
1
Aix Marseille Univ, CNRS, Centrale Marseille, iSM2, 13013 Marseille, France
2
Laboratory of Physico-Chemical and Biotechnological Valorization of Food By-Products, Department of Food Science & Nutrition, School of the Environment, University of the Aegean, 81400 Myrina, Greece
3
REQUIMTE/LAQV, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal
*
Author to whom correspondence should be addressed.
Processes 2026, 14(3), 503; https://doi.org/10.3390/pr14030503
Submission received: 29 December 2025 / Revised: 21 January 2026 / Accepted: 28 January 2026 / Published: 1 February 2026
(This article belongs to the Section Sustainable Processes)
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Abstract

In the current context of accelerating global warming, it is urgent to speed up actions to adapt to this problem. About one third of agri-food products are lost or underused, thus contributing further and unnecessarily to greenhouse gas emissions. This is a narrative review, based on exhaustive analysis of the literature dealing with the mechanisms, incidence, and historical aspects of hidden hunger, as well as technical and operational tools to fight it. The review gives an overview of the current situation regarding micronutrient deficiencies, called hidden hunger, in five minerals (iron, calcium, zinc, iodine, and selenium), and two vitamins (A and D), as well as a picture of overall mitigation actions and outcomes. Then, it gives a picture of available solutions regarding the raw material and the tools and methodologies currently used for agri-food waste valorization, with a focus on aquatic foodstuffs. Finally, a proposal for the use of agri-food waste to fight hidden hunger, food insecurity, and beyond, is advanced.
Keywords: food waste; food process; hidden hunger; food security; sustainable development food waste; food process; hidden hunger; food security; sustainable development
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MDPI and ACS Style

Ajandouz, E.H.; Maresca, M.; Sarris, D.; Nouws, H.; Robert, V. Sustainable Strategy to Fight Hidden Hunger Using Food Waste: The Case of Aquatic Food Products. Processes 2026, 14, 503. https://doi.org/10.3390/pr14030503

AMA Style

Ajandouz EH, Maresca M, Sarris D, Nouws H, Robert V. Sustainable Strategy to Fight Hidden Hunger Using Food Waste: The Case of Aquatic Food Products. Processes. 2026; 14(3):503. https://doi.org/10.3390/pr14030503

Chicago/Turabian Style

Ajandouz, El Hassan, Marc Maresca, Dimitris Sarris, Henri Nouws, and Viviane Robert. 2026. "Sustainable Strategy to Fight Hidden Hunger Using Food Waste: The Case of Aquatic Food Products" Processes 14, no. 3: 503. https://doi.org/10.3390/pr14030503

APA Style

Ajandouz, E. H., Maresca, M., Sarris, D., Nouws, H., & Robert, V. (2026). Sustainable Strategy to Fight Hidden Hunger Using Food Waste: The Case of Aquatic Food Products. Processes, 14(3), 503. https://doi.org/10.3390/pr14030503

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