Effect of elevated carbon dioxide exposure on nutrition-health properties of micro-tom tomatoes

Boufeldja Linda, Brandt Dennis, Guzman Caroline, Vitou Manon, Boudard Frédéric, Morel Sylvie, Servent Adrien, Dhuique-Mayer Claudie, Ollier Léa, Duchamp Orianne, Portet Karine, Dubos Christian, Poucheret Patrick. 2022. Effect of elevated carbon dioxide exposure on nutrition-health properties of micro-tom tomatoes. Molecules, 27 (11):3592, 17 p.

https://doi.org/10.3390/molecules27113592

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Résumé : (1) Background: The anthropogenically induced rise in atmospheric carbon dioxide (CO2) and associated climate change are considered a potential threat to human nutrition. Indeed, an elevated CO2 concentration was associated with significant alterations in macronutrient and micronutrient content in various dietary crops. (2) Method: In order to explore the impact of elevated CO2 on the nutritional-health properties of tomato, we used the dwarf tomato variety Micro-Tom plant model. Micro-Toms were grown in culture chambers under 400 ppm (ambient) or 900 ppm (elevated) carbon dioxide. Macronutrients, carotenoids, and mineral contents were analyzed. Biological anti-oxidant and anti-inflammatory bioactivities were assessed in vitro on activated macrophages. (3) Results: Micro-Tom exposure to 900 ppm carbon dioxide was associated with an increased carbohydrate content whereas protein, minerals, and total carotenoids content were decreased. These modifications of composition were associated with an altered bioactivity profile. Indeed, antioxidant anti-inflammatory potential were altered by 900 ppm CO2 exposure. (4) Conclusions: Taken together, our results suggest that (i) the Micro-Tom is a laboratory model of interest to study elevated CO2 effects on crops and (ii) exposure to 900 ppm CO2 led to the decrease of nutritional potential and an increase of health beneficial properties of tomatoes for human health.

Mots-clés Agrovoc : Solanum lycopersicum, expérimentation en laboratoire, dioxyde de carbone, CO2 atmosphérique, substance nutritive, caroténoïde, teneur en éléments minéraux, santé, nutrition humaine

Mots-clés libres : Micro-tom tomato, Elevated atmospheric carbon dioxide, Nutrition, Health

Classification Agris : S50 - Santé humaine
Q04 - Composition des produits alimentaires
F60 - Physiologie et biochimie végétale

Champ stratégique Cirad : CTS 3 (2019-) - Systèmes alimentaires

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