坚果消费对血脂的影响:随机对照试验的更新系统综述和元分析
Stephanie K Nishi1, Indira Paz-Graniel2, Jiaqi Ni2
1Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Alimentació, Nutrició, Desenvolupament i Salut Mental (ANUT-DSM), Reus, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Spain; Toronto 3D (Diet, Digestive Tract and Disease) Knowledge Synthesis and Clinical Trials Unit, Toronto, ON, Canada; Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Unity Health Toronto, ON, Canada; School of Nutrition, Faculty of Community Services, Toronto Metropolitan University, Toronto, ON, Canada.
吃坚果可以适度降低总胆固醇和LDL-C,并减少甘油三和其他脂质标记物. 这一元分析证实了坚果.
科学领域:
- 营养科学 营养科学
- 心血管健康 心血管健康
- 饮食干预 饮食干预
背景情况:
- 坚果以其营养密度和潜在的心血管益处而闻名.
- 现有的关于坚果消费和血脂的研究显示出不一致.
- 了解坚果对脂质资料的确切影响对于饮食建议至关重要.
研究的目的:
- 系统地审查和元分析关于坚果摄入量和血脂的随机对照试验 (RCT).
- 量化坚果消费对各种血脂参数的影响.
主要方法:
- 在MEDLINE-PubMed和Cochrane数据库中进行系统搜索.
- 包括113个独特的随机对照试验,涉及8060名成年人.
- 对坚果消费的分析 (平均每天45.5克) 与非坚果对照对脂质结局的分析.
主要成果:
- 在总胆固醇 (TC) 和低密度脂蛋白胆固醇 (LDL-C) 中观察到适度降低.
- 对于甘油三 (TG),TC:HDL-C比率,LDL-C:HDL-C比率和阿波利波蛋白B的小幅降低.
- 没有对高密度脂蛋白胆固醇 (HDL-C) 的显著影响;证据确定性因结果而异.
结论:
- 坚果消费对成年人血脂状况有有益影响.
- 研究结果支持将坚果纳入饮食中,以获得潜在的心血管健康优势.
- 进一步的研究可能会探索特定的坚果类型和种群子组.
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