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首页> 美国卫生研究院文献>Nutrients >Iron Biofortified Carioca Bean (Phaseolus vulgaris L.)—Based Brazilian Diet Delivers More Absorbable Iron and Affects the Gut Microbiota In Vivo (Gallus gallus)
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Iron Biofortified Carioca Bean (Phaseolus vulgaris L.)—Based Brazilian Diet Delivers More Absorbable Iron and Affects the Gut Microbiota In Vivo (Gallus gallus)

机译：铁强化生物木薯（菜豆）—以巴西饮食为基础的铁可吸收更多铁并影响肠道菌群（鸡胆）

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Biofortification aims to improve the micronutrient concentration and bioavailability in staple food crops. Unlike other strategies utilized to alleviate Fe deficiency, studies of the gut microbiota in the context of Fe biofortification are scarce. In this study, we performed a 6-week feeding trial in Gallus gallus (n = 15), aimed to investigate the Fe status and the alterations in the gut microbiome following the administration of Fe-biofortified carioca bean based diet (BC) versus a Fe-standard carioca bean based diet (SC). The tested diets were designed based on the Brazilian food consumption survey. Two primary outcomes were observed: (1) a significant increase in total body Hb-Fe values in the group receiving the Fe-biofortified carioca bean based diet; and (2) changes in the gut microbiome composition and function were observed, specifically, significant changes in phylogenetic diversity between treatment groups, as there was increased abundance of bacteria linked to phenolic catabolism, and increased abundance of beneficial SCFA-producing bacteria in the BC group. The BC group also presented a higher intestinal villi height compared to the SC group. Our results demonstrate that the Fe-biofortified carioca bean variety was able to moderately improve Fe status and to positively affect the intestinal functionality and bacterial populations.
机译：生物强化旨在改善主粮作物中的微量营养素浓度和生物利用度。与用于减轻铁缺乏的其他策略不同，在铁生物强化背景下对肠道菌群的研究很少。在这项研究中，我们进行了为期6周的在鸡鸡（n = 15）中的喂养试验，旨在研究以铁为生物强化的木豆基饮食（BC）相对于铁的饮食后，铁的状态和肠道微生物组的变化。铁标准木薯饮食（SC）。测试的饮食是根据巴西食品消费调查设计的。观察到两个主要结果：（1）接受铁生物强化木豆基饮食的人群体内总Hb-Fe值显着增加； （2）观察到肠道微生物组的组成和功能发生了变化，特别是在治疗组之间，系统发育多样性发生了显着变化，因为与酚类分解代谢有关的细菌数量增加，而BC中有益SCFA产生细菌的数量也增加了。组。与SC组相比，BC组的肠绒毛高度也更高。我们的结果表明，铁强化生物素木薯品种能够适度改善铁的状况，并积极影响肠道功能和细菌种群。

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