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首页> 外文期刊>Journal of the Science of Food and Agriculture >Special quality traits of coloured potato breeding clones: Anthocyanins, soluble phenols and antioxidant capacity
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Special quality traits of coloured potato breeding clones: Anthocyanins, soluble phenols and antioxidant capacity

机译：彩色马铃薯育种克隆的特殊品质特征：花青素，可溶性酚和抗氧化能力

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摘要

BACKGROUD: Coloured potato varieties rich in anthocyanins are of increasing interest in breeding to upgrade the nutritional quality of tubers. The objective of this study was to examine purple fleshed breeding clones for anthocyanins, soluble phenols and their antioxidant capacity, and to compare them in this respect with purple and white/yellow fleshed potato cultivars.RESULTS: Within the coloured potato group, the breeding clones had the highest contents of anthocyanins, with values ranging from 0.94 to 1.75 g kg(-1) fresh weight. In cultivars and clones with purple flesh the amounts of soluble phenols were 2.6-times higher than in white/yellow fleshed potatoes. In addition, coloured clones exhibited 4.4-fold higher antioxidant activity, which was correlated with phenols and anthocyanins. But there were no major differences between the two potato groups in dry matter, starch, crude protein and reducing sugars.CONCLUSIONS: The involvement of purple fleshed potatoes in breeding led to increased anthocyanin and phenol contents of the resulting progeny. The high level of bioactive plant phenols coincided with an enhanced antioxidant activity, known for its positive health effects. (c) 2008 Society of Chemical Industry
机译：背景：富含花色苷的彩色马铃薯品种对育种的兴趣日益增加，以提高块茎的营养质量。这项研究的目的是检查花色苷，可溶性酚及其抗氧化能力的紫色果肉繁殖克隆，并将其与紫色和白色/黄色果肉马铃薯品种进行比较。结果：在有色马铃薯组中，该繁殖克隆花青素含量最高，鲜重范围为0.94至1.75 g kg（-1）。在带有紫色果肉的品种和克隆中，可溶性酚的含量是白色/黄色果肉土豆中的2.6倍。此外，有色克隆表现出高4.4倍的抗氧化活性，这与酚和花青素有关。但是，两组马铃薯在干物质，淀粉，粗蛋白和还原糖方面没有重大差异。结论：紫色肉马铃薯参与育种会导致所得子代的花青素和酚含量增加。高水平的生物活性植物酚与增强的抗氧化活性同时发生，以其积极的健康作用而闻名。 （c）2008年化学工业学会

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