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首页> 美国卫生研究院文献>Journal of Food Science and Technology >The effect of mechanical processing on avenanthramide and phenol levels in two organically grown Italian oat cultivars
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The effect of mechanical processing on avenanthramide and phenol levels in two organically grown Italian oat cultivars

机译：机械加工对两种有机种植的意大利燕麦品种中avenanthramide和酚含量的影响

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摘要

Avenanthramides (AVNs), free and bound phenols and their antioxidant capacities (ORAC) were evaluated in two Avena sativa L. cultivars, Donata and Flavia. The cultivars (cvs.) were grown in loamy and medium texture soils and assessed after industrial dehulling and milling. Total dietary fiber, β-glucan, starch and proteins were also evaluated. Cv. Donata showed 2.8 fold higher AVN storage as compared to cv. Flavia, which was linked with genotype. The accumulation of AVN content was also influenced by the texture of the soil. Dehulling resulted in a 75 and 37% AVN decrease in cv. Donata and Flavia, respectively. The dehulled grains of cv. Donata showed 40% reduction in free phenolic content, whereas the dehulled grains of both cvs. showed 67% reduction in bound phenols. Milling affected the bound phenolics and their antioxidant capacity. Cv. Flavia showed 1.3 fold higher β-glucan than that of cv. Donata. Total dietary fiber was reduced by 50 and 12% after dehulling and milling, respectively, while marginal changes in proteins were observed after milling. The results suggest that the choice of genotype and the kind of dehulling processes that are employed are essential considerations in the production of oat-based products with high AVN content and extra health benefits.Electronic supplementary materialThe online version of this article (doi:10.1007/s13197-017-2665-x) contains supplementary material, which is available to authorized users.
机译：在两个Avena sativa L.栽培品种Donata和Flavia中评估了Avenanthramides（AVNs），游离酚和结合酚及其抗氧化能力（ORAC）。栽培品种（cvs。）在肥沃和中等质地的土壤中生长，经过工业脱壳和研磨后进行评估。还评估了总膳食纤维，β-葡聚糖，淀粉和蛋白质。简历。 Donata的AVN储存量比简历高2.8倍。 Flavia，与基因型有关。 AVN含量的积累也受到土壤质地的影响。脱壳导致cv的AVN下降75％和37％。 Donata和Flavia，分别。脱皮的简历。 Donata的游离酚含量降低了40％，而两个cvs的去皮颗粒都没有。显示结合酚减少67％。研磨影响结合的酚类及其抗氧化能力。简历。 Flavia的β-葡聚糖含量是cv的1.3倍。多纳塔。脱壳和研磨后，总膳食纤维分别减少了50％和12％，而研磨后观察到蛋白质的边缘变化。结果表明，基因型的选择和所使用的脱皮方法的类型是生产具有高AVN含量和额外健康益处的燕麦类产品的基本考虑因素。电子补充材料本文的在线版本（doi：10.1007 / s13197-017-2665-x）包含补充材料，授权用户可以使用。

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