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咖啡衍生酸对认知的影响:系统性审查和元分析
Karen Johal1, Dan J W Jones1, Lynne Bell1
1School of Psychology and Clinical Language Sciences, University of Reading, Reading RG6 6DZ, UK.
在咖啡咖啡咖啡咖啡咖啡咖啡咖啡
科学领域:
- 营养神经科学 营养神经科学
- 食品科学 食品科学 食品科学
- 认知心理学 认知心理学
背景情况:
- 咖啡消费与健康益处有关,通常归因于基酸 (CGA).
- 现有的审查集中在咖啡和认知上,而不是专门从咖啡中获得的CGA.
- 缺乏对CGA对认知功能的影响的系统综合.
研究的目的:
- 系统地审查有关咖啡衍生的CGA和认知表现的文献.
- 对这种关系进行随机对照试验 (RCT) 的元分析.
主要方法:
- 在Scopus,PubMed,Web of Science,ScienceDirect,PsycINFO搜索了关于咖啡CGA和认知的研究.
- 包括使用标准化认知测量方法的观察和干预研究.
- 不包括使用CGA提取物/补充剂的研究;需要定义CGA含量和安慰剂对照的干预研究.
主要成果:
- 系统性审查表明,慢性,持续饮用咖啡 (CGA) 可能需要获得认知益处.
- 对RCT的分析发现,咖啡CGA摄入没有显著的认知益处 (d = 0.00,95%CI -0.05,0.05).
- 包括的研究样本规模小,认知指标多样化.
结论:
- 目前的证据受到研究质量和样本大小的限制.
- 需要进一步的高质量的RCT来确定咖啡CGA的认知益处的条件.
- 咖啡特有的酸对认知功能的直接影响需要更多的研究.
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