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Lipophilic antioxidants in wheat (Triticum spp.): A target for breeding new varieties for future functional cereal products

机译:小麦中的亲脂性抗氧化剂(Triticum spp。):为未来功能性谷类产品育种新品种的目标

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摘要

Lutein, tocochromanols (vitamin E), alkylresorcinols, and steryl ferulates were quantitated in whole grain flours of 15 varieties each of bread wheat, spelt, durum, emmer, and einkorn grown in four different environments. In a comprehensive screening, these bioactive compounds were selected as target traits to identify high yielding varieties regarding their lipophilic antioxidant contents, using standardised total concentrations (z-scores). Einkorn was found to be the species containing maximum overall levels of lipophilic antioxidants, and all 15 einkorn varieties ranked among the top 20 high antioxidant yielding varieties. Among the five different wheat species, high crop yields and protein contents did not mutually exclude high levels of lipophilic micronutrients. The high heritability of lipophilic antioxidants indicated that their concentrations are mainly determined by genetic factors. Thus, in future breeding programmes, wheat varieties being even richer in lipophilic antioxidants may be obtained, allowing the production of functional cereal products with improved nutritional value. (C) 2015 Elsevier Ltd. All rights reserved.
机译:在15种不同的全谷物面粉中对叶黄素,生育酚(维生素E),烷基间苯二酚和甾醇阿魏酸酯进行定量分析,这些面粉分别在四个不同的环境中种植,包括面包小麦,斯佩尔特小麦,硬质小麦,Emmer和Einkorn。在全面的筛选中,选择这些生物活性化合物作为目标性状,使用标准化的总浓度(z评分)来鉴定有关其亲脂性抗氧化剂含量的高产品种。发现Einkorn是亲脂性抗氧化剂总体含量最高的物种,所有15个einkorn品种均跻身于抗氧化剂产量最高的20个品种之列。在这五种不同的小麦品种中,高产量和高蛋白含量并未相互排斥高水平的亲脂微量营养素。亲脂性抗氧化剂的高遗传力表明它们的浓度主要由遗传因素决定。因此,在未来的育种计划中,可以获得亲脂性抗氧化剂含量更高的小麦品种,从而可以生产营养价值更高的功能谷物产品。 (C)2015 Elsevier Ltd.保留所有权利。

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