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首页> 美国卫生研究院文献>Molecules >Evaluation of Flavonoid Contents and Antioxidant Capacity of the Aerial Parts of Common and Tartary Buckwheat Plants
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Evaluation of Flavonoid Contents and Antioxidant Capacity of the Aerial Parts of Common and Tartary Buckwheat Plants

机译：普通苦荞植物地上部分黄酮含量及抗氧化能力的评价

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摘要

The analysis of major and minor flavonoids, and antioxidant capacity of stems, leaves, flowers, unripe seeds and ripe seeds of common and tartary buckwheat plants collected during different growth periods was addressed in this study. The highest rutin contents were observed in flowers and leaves collected from common and tartary buckwheat at early flowering as well as flowering and seed formation states. A low quercetin contents were found in all studied aerial part of buckwheat plants. Quercitrin (quercetin-3-rhamnoside) was only found in flowers collected at different growth periods while flavone C-glucosides were accumulated preferentially only in unripe seeds collected from common buckwheat at an early flowering state. The rank of antioxidant capacity provided for aerial parts of common and tartary buckwheat at early flowering state was as follows: flowers > leaves > stems. The highest contribution of rutin to the antioxidant capacity of the aerial parts of common and tartary buckwheat was found for stems followed by leaves, flowers and unripe seeds. The results demonstrate that flowers from common and tartary buckwheat collected at early flowering as well as flowering and seed formation states have the future potential to be a useful food ingredient.
机译：本研究分析了不同生长期收集的普通和t荞麦植物的主要和次要黄酮类化合物以及茎，叶，花，未成熟种子和成熟种子的抗氧化能力。在从普通荞麦和collected苦荞中采集的花朵和叶子中，在早期开花以及开花和种子形成状态中，芦丁含量最高。在所有研究的荞麦地上部分发现槲皮素含量低。槲皮素（槲皮素-3-鼠李糖苷）仅在不同生长时期收集的花朵中被发现，而黄酮C-糖苷仅优先于在早期开花状态下从普通荞麦收集的未成熟种子中积累。早期开花状态下，普通荞麦和t荞麦的地上部分提供的抗氧化能力等级为：花>叶>茎。芦丁对普通荞麦和the苦荞麦地上部分的抗氧化能力的贡献最大，其次是茎，叶，花和未成熟的种子。结果表明，在早期开花以及从开花和种子形成状态收集的普通荞麦和flowers荞麦中的花，将来有可能成为有用的食​​品成分。

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