Am J Clin Nutr: 坚果摄入和2型糖尿病发病风险之间的关系

2021-04-16 MedSci原创 MedSci原创

坚果是营养非常丰富的食物,具有大量复杂的微量营养素,钠含量低而富含不饱和脂肪酸,膳食纤维,镁,植物蛋白,其中一些可能产生广泛的健康益处。

      坚果是营养非常丰富的食物,具有大量复杂的微量营养素,钠含量低而富含不饱和脂肪酸,膳食纤维,镁,植物蛋白,其中一些可能产生广泛的健康益处。有研究认为坚果能降低血糖水平并降低2型糖尿病(T2D)的发生率。但是也有研究显示食用坚果减少了空腹胰岛素,而对糖化血红蛋白(HbA1c)和糖化血红蛋白没有影响。因此,本项研究旨在系统地回顾和荟萃所有已发表的研究,调查总坚果和不同类型坚果(核桃,花生,花生酱和总树坚果)与T2D的患病率和发病率之间的关系。

 

       研究人员对PubMed和Cochrane数据库中关于坚果和糖尿病的相关文献进行了检索,最新的文献一直到2020年8月12日。使用具有固定效应模型的逆方差方法来汇总各个研究的数据,并用Cochran Q检验和I 2统计分别用于检验和量化异质性。

 

      研究结果显示,总共有八项研究(5项前瞻性研究和3项横断面研究)符合筛选条件。横断面研究和前瞻性队列研究的荟萃分析比较了坚果摄入的最高类别和最低类别与糖尿病之间的关系,但是结果发现总坚果摄入量与T2D之间无显着相关性。前瞻性队列研究的荟萃分析显示花生酱摄入量与T2D发生率呈负相关(RR:0.87; 95%CI:0.77-0.98; I 2 = 50.6%; P= 0.16),而花生或坚果与T2D之间未发现关联。在前瞻性队列研究中,没有发现坚果或花生总消耗量与T2D呈线性剂量关系。

图:坚果和花生的摄入与T2D之间的关系

      研究最后作者说道,坚果,花生与T2D的发病率之间似乎并没有相关性,但是食用花生酱可能与T2D的发病率成反比。

 

 

原始出处:

Nerea Becerra-Tomás. et al. Nut consumption and type 2 diabetes risk: a systematic review and meta-analysis of observational studies. The American Journal of Clinical Nutrition.2021.

 

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    2021-04-17 ms2000001361349190

    学习了

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    2021-04-17 臭臭妈

    学习了

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    2021-04-16 misszhang

    谢谢MedSci提供最新的资讯

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    2021-04-16 ms3000001417385868

    学习到了。

    0

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    2021-04-16 ms4000000187848542

    学习

    0

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