Effects of Elevated CO2 on Nutritional Quality of Vegetables: A Review

Frontiers in Plant Science
Jinlong DongZengqiang Duan

Abstract

Elevated atmospheric CO2 (eCO2) enhances the yield of vegetables and could also affect their nutritional quality. We conducted a meta-analysis using 57 articles consisting of 1,015 observations and found that eCO2 increased the concentrations of fructose, glucose, total soluble sugar, total antioxidant capacity, total phenols, total flavonoids, ascorbic acid, and calcium in the edible part of vegetables by 14.2%, 13.2%, 17.5%, 59.0%, 8.9%, 45.5%, 9.5%, and 8.2%, respectively, but decreased the concentrations of protein, nitrate, magnesium, iron, and zinc by 9.5%, 18.0%, 9.2%, 16.0%, and 9.4%. The concentrations of titratable acidity, total chlorophyll, carotenoids, lycopene, anthocyanins, phosphorus, potassium, sulfur, copper, and manganese were not affected by eCO2. Furthermore, we propose several approaches to improving vegetable quality based on the interaction of eCO2 with various factors, including species, cultivars, CO2 levels, growth stages, light, O3 stress, nutrient, and salinity. Finally, we present a summary of the eCO2 impact on the quality of three widely cultivated crops, namely, lettuce, tomato, and potato.

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Citations

Mar 21, 2020·Astrobiology·John G MacDonaldStephen Quirk
May 28, 2020·Frontiers in Plant Science·J Calleja-CabreraM Pernas
Jun 30, 2019·Molecular Nutrition & Food Research·Irakli LoladzeAmy R Knobbe
Jun 6, 2020·Plant & Cell Physiology·Paramita PalitRajeev K Varshney
Apr 10, 2020·Critical Reviews in Food Science and Nutrition·Caterina AgrimontiGiovanna Visioli
Nov 26, 2020·Chemical Society Reviews·Da-Wen SunJi Ma
Dec 7, 2018·The Medical Journal of Australia·Ying ZhangAnthony G Capon
Sep 1, 2020·Journal of Agricultural and Food Chemistry·Massimo BlandinoPatrizia Vaccino
Apr 6, 2021·Open Life Sciences·Chunxia WuYuanyuan Li
May 11, 2021·Journal of the Science of Food and Agriculture·Jie ChenTao Pan
Jun 3, 2021·Plants·Xizi Wang, Fulai Liu
Jul 25, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Anna LangstroffAstrid Junker
Aug 6, 2021·Plant Cell Reports·Smita Chaudhry, Gagan Preet Singh Sidhu
Aug 31, 2021·Environmental Science and Pollution Research International·Rupali Sharma, Hukum Singh

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