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首页> 外文期刊>Journal of Agricultural and Food Chemistry >In vitro gastrointestinal digestion study of pomegranate juice phenolic compounds, anthocyanins, and vitamin C
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In vitro gastrointestinal digestion study of pomegranate juice phenolic compounds, anthocyanins, and vitamin C

机译:石榴汁中酚类化合物,花色苷和维生素C的体外胃肠道消化研究

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摘要

Pomegranate is an important source of bioactive compounds, such as anthocyanins, other phenolic compounds, and ascorbic acid. In the present work an in vitro availability method has been used to assay the influence of the physiological conditions in the stomach and small intestine. This method enables the study of the release of anthocyanins, vitamin C, and total phenols from the pomegranate juice and their transformations during gastrointestinal digestion. Results have shown that pomegranate phenolic compounds are available during the digestion in a quite high amount (29%). Nevertheless, due to pH, anthocyanins are largely transformed into non-red forms and/or degraded (97%), and similar results are obtained for vitamin C (>95% degradation).
机译:石榴是生物活性化合物的重要来源,如花青素,其他酚类化合物和抗坏血酸。在本工作中,已采用一种体外可利用性方法来分析胃和小肠中生理状况的影响。该方法能够研究石榴汁中花青素,维生素C和总酚的释放及其在胃肠道消化过程中的转化。结果表明,在消化过程中石榴酚类化合物的含量很高(29%)。尽管如此,由于pH值的影响,花色苷主要转化为非红色形式和/或降解(97%),而维生素C的降解结果相似(> 95%)。

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