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Classification of foods is divided into main food groups by the nutrient profiling model. Green = core foods; red = energy-dense, nutrient-poor foods; blue = energy-dense, nutrient-poor ingredients. ° Mild outliers based on the interquartile range (IQR): Q1 ± (1.5 × IQR). ☆ Extreme outliers based on the interquartile range (IQR): Q1 ± (3 × IQR).
