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食用坚果与更好的营养摄入相关:2008/09年新西兰成人营养调查结果

Nut consumption is associated with better nutrient intakes: results from the 2008/09 New Zealand Adult Nutrition Survey.

作者信息

Brown Rachel C, Tey Siew Ling, Gray Andrew R, Chisholm Alex, Smith Claire, Fleming Elizabeth, Parnell Winsome

机构信息

1Department of Human Nutrition,University of Otago,PO Box 56,Dunedin 9054,New Zealand.

2Clinical Nutrition Research Centre,Singapore Institute for Clinical Sciences,A*STAR,14 Medical Drive,#07-02,Singapore 117599,Singapore.

出版信息

Br J Nutr. 2016 Jan 14;115(1):105-12. doi: 10.1017/S0007114515004122. Epub 2015 Oct 20.

Abstract

A limited number of studies have examined associations between nut consumption and nutrient intakes or diet quality. None has investigated these associations in the Southern Hemisphere. The purpose of this study was to examine associations between nut consumption and nutrient intakes among adult New Zealanders. Data from the 24-h recalls of 4721 participants from the cross-sectional 2008/09 New Zealand Adult Nutrition Survey (2008/09 NZANS) were used to determine whole nut intake and total nut intake from all sources as well as nutrient intakes. Regression models, both unadjusted and adjusted for potential confounders, were used to estimate differences in nutrient intakes between those consuming and those not consuming nuts. From adjusted models, compared with non-whole nut consumers, whole nut consumers had higher intakes of energy and percentage of energy from total fat, MUFA and PUFA, whereas percentage of energy from SFA and carbohydrate was lower (all P≤0·025). After the additional adjustment for energy intake, whole nut consumers had higher intakes of dietary fibre, vitamin E, folate, Cu, Mg, K, P and Zn (all P≤0·044), whereas cholesterol and vitamin B12 intakes were significantly lower (both P≤0·013). Total nut consumption was associated with similar nutrient profiles as observed in whole nut consumers, albeit less pronounced. Nut consumption was associated with better nutrient profiles, especially a lower intake of SFA and higher intakes of unsaturated fats and a number of vitamins and minerals that could collectively reduce the risk for chronic disease, in particular for CVD.

摘要

少数研究探讨了食用坚果与营养摄入或饮食质量之间的关联。但尚无研究在南半球调查这些关联。本研究的目的是调查成年新西兰人食用坚果与营养摄入之间的关联。来自2008/09年新西兰成人营养横断面调查(2008/09 NZANS)的4721名参与者24小时回忆的数据用于确定全坚果摄入量、所有来源的总坚果摄入量以及营养摄入量。使用未调整以及针对潜在混杂因素进行调整的回归模型来估计食用坚果者与未食用坚果者之间营养摄入量的差异。从调整后的模型来看,与非全坚果消费者相比,全坚果消费者的能量摄入量以及来自总脂肪、单不饱和脂肪酸和多不饱和脂肪酸的能量百分比更高,而来自饱和脂肪酸和碳水化合物的能量百分比更低(所有P≤0·025)。在对能量摄入进行额外调整后,全坚果消费者的膳食纤维、维生素E、叶酸、铜、镁、钾、磷和锌的摄入量更高(所有P≤0·044),而胆固醇和维生素B12的摄入量则显著更低(两者P≤0·013)。总坚果消费量与全坚果消费者中观察到的营养状况相似,尽管不太明显。食用坚果与更好的营养状况相关,特别是饱和脂肪酸摄入量较低,不饱和脂肪以及多种维生素和矿物质摄入量较高,这些因素共同作用可降低慢性病风险,尤其是心血管疾病风险。

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