ArticleFoods (Basel, Switzerland)2026
Bran-Enriched Fractions from Blue and Purple Wheat Improve Antioxidant Potential and Nutritional Profile.
Article in Foods (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Pigmented wheat varieties represent a promising source of bioactive compounds, particularly anthocyanins, with potential applications in the development of functional cereal-based foods. This study investigated the combined effect of pigmented wheat genetics and innovative milling technologies on the nutritional and technological properties of wheat-derived products. Two pigmented bread wheat genotypes, the blue-grained cultivar Purendo and the purple-grained line Vanilnoir, were compared with the non-pigmented cultivar Peralba. Grains were processed using conventional milling or through micronization followed by air-classification to obtain enriched fractions (F250 and G250). The resulting flours and fractions were evaluated for compositional traits, rheological properties, antioxidant activity, and pasta-making performance. Air-classification significantly increased ash, protein, and lipid contents while reducing total starch, confirming the enrichment of outer kernel components. Bran-enriched fractions exhibited enhanced antioxidant capacity, with the highest FRAP and TEAC values observed in pigmented genotypes. Pasta produced from enriched fractions showed improved nutritional profiles and, in most cases, a reduced predicted glycemic index compared with conventional flour-based pasta. Technological responses were genotype-dependent: while bran enrichment negatively affected dough rheology, the purple genotype maintained more balanced technological and sensory properties in pasta compared with the blue genotype. These results demonstrate that integrating pigmented wheat genetics with targeted milling strategies can support the development of functional cereal-based foods with enhanced antioxidant potential and improved nutritional quality.
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