PLos One:全球膳食微量营养素的不足与现状

2017-04-14 MedSci MedSci原创

了解饮食习惯对于减少饥饿人口(约7.95亿),微量营养素缺乏人口(20亿)和超重或肥胖人口(21亿)的人数至关重要。有研究通过估算食品供应的微量营养素密度,普遍存在14种微量营养素的摄入量不足,1961年至2011年间所有国家摄入量不足的平均水平,来描述全球饮食质量趋势。在这50年期间,估计由于粮食和/或微量营养素密度的总量增加,所有地区的微量营养素摄入量不足的流行率下降。东亚和东南亚的这种下降特

了解饮食习惯对于减少饥饿人口(约7.95亿),微量营养素缺乏人口(20亿)和超重或肥胖人口(21亿)的人数至关重要。


有研究通过估算食品供应的微量营养素密度,普遍存在14种微量营养素的摄入量不足,1961年至2011年间所有国家摄入量不足的平均水平,来描述全球饮食质量趋势。

在这50年期间,估计由于粮食和/或微量营养素密度的总量增加,所有地区的微量营养素摄入量不足的流行率下降。东亚和东南亚的这种下降特别强劲,南亚和撒哈拉以南非洲地区的下降趋弱。而撒哈拉以南非洲是唯一一个在这50年内膳食微量营养素密度下降的地区。

在全球范围内,摄入量最低的微量营养素包括钙、铁、维生素A和锌,但国家和地区之间存在较大的差异。

在南亚以外,所有低收入地区的强化措施都减少了估计不足的微量营养素摄入量。许多国家的食品供应仍然远远低于能源需求,这表明需要增加营养食品的供应和可及性。

食物能源供应充足的国家饮食质量变化非常大,而在这些国家,人们将受益于更多种类的饮食,其中微量营养素密度较高的食物比例更高。

饮食质量可以通过配方、生物强化和农业多样化来改善,也可以通过努力改善微量营养素密集食物和营养知识的获取和使用改善。

减少贫困和增加教育,特别是妇女的教育,是可持续地解决营养不良问题的重要组成部分。

原始出处:
Beal T, Massiot E, et al. Global trends in dietary micronutrient supplies and estimated prevalence of inadequate intakes. PLoS One. 2017 Apr 11;12(4):e0175554. doi: 10.1371/journal.pone.0175554. eCollection 2017.

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    2017-04-16 zhaojie88
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    2017-04-14 王新春

    学习。

    0

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    2017-04-14 山鸡

    很好

    0

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