Frontiers in nutrition · 2026
Safeguarding diet quality in a changing climate: a scoping review.
СтатьяСистематический обзорНазвание и аннотация: Перевод в очереди
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Mutonhodza Beaula, Ndemera Melody, Govender Laurencia, Reuzé Anouk, Ngidi Mjabuliseni S C, Siwela Muthulisi, Mabhaudhi Tafadzwanashe
Аннотация
BACKGROUND: Climate change is increasingly recognized as a driver of declines in crop nutrient content; however, the evidence remains fragmented. This scoping review maps and synthesizes current knowledge on climate change and the nutrient quality of vegetables, legumes, and grains.
METHODS: A systematic online search of peer-reviewed experimental, meta-analytical, and modeling studies published between 1950 and 2024 was conducted, using standardized extraction methods to ensure consistency and quality.
RESULTS: Experimental studies (n = 132) and meta-analyses (n = 9) showed average increases in total carbohydrates (+11%; +17%), simple sugars (+12%; +11%), antioxidants (+14%; +43%), vitamin C (+12%; +6%), and vitamin E (+5%), alongside significant declines in dietary fiber (-13%), folate (-30%) and essential minerals (-3%; -8%), respectively. Modeling studies (n = 2) projected declines in global nutrient availability of up to -4% for protein and -3% for zinc and iron.
DISCUSSION: Staple foods that feed billions are losing key nutrients, driving a shift toward energy-dense, nutrient-poor diets that heighten hidden hunger and chronic disease risks. Warranting the need for nutrition-sensitive climate adaptation strategies.
METHODS: A systematic online search of peer-reviewed experimental, meta-analytical, and modeling studies published between 1950 and 2024 was conducted, using standardized extraction methods to ensure consistency and quality.
RESULTS: Experimental studies (n = 132) and meta-analyses (n = 9) showed average increases in total carbohydrates (+11%; +17%), simple sugars (+12%; +11%), antioxidants (+14%; +43%), vitamin C (+12%; +6%), and vitamin E (+5%), alongside significant declines in dietary fiber (-13%), folate (-30%) and essential minerals (-3%; -8%), respectively. Modeling studies (n = 2) projected declines in global nutrient availability of up to -4% for protein and -3% for zinc and iron.
DISCUSSION: Staple foods that feed billions are losing key nutrients, driving a shift toward energy-dense, nutrient-poor diets that heighten hidden hunger and chronic disease risks. Warranting the need for nutrition-sensitive climate adaptation strategies.