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2001 - 2002年美国人群食物组摄入量的来源

Sources of food group intakes among the US population, 2001-2002.

作者信息

Bachman Jessica L, Reedy Jill, Subar Amy F, Krebs-Smith Susan M

机构信息

Department of Nutrition, The University of Tennessee, Knoxville, TN, USA.

出版信息

J Am Diet Assoc. 2008 May;108(5):804-14. doi: 10.1016/j.jada.2008.02.026.

Abstract

BACKGROUND

Food guides are typically built around a system of food groups. Accordingly, the US Department of Agriculture's MyPyramid includes both food groups and subgroups, as well as an allowance for discretionary calories, in its guidance.

OBJECTIVE

To identify the major dietary contributors to food group intake in the US population.

METHODS

This cross-sectional study used 2001-2002 National Health and Nutrition Examination Survey data to determine weighted population proportions for the contribution of each subgroup to its MyPyramid food group (ie, proportion), and the contribution of specific foods to the subgroups oils, solid fats, and added sugars (ie, major contributors). Food codes associated with each food were sorted into 96 categories, termed specific foods, and were linked to the MyPyramid Equivalents Database to obtain food group equivalents.

RESULTS

In regard to proportion, dark green vegetables (6%), orange vegetables (5%), and legumes (6%) fell well short of recommended levels. Intake of whole grains (10% of total) was far below the recommendation that at least half of all grains be whole. In regard to major contributors, top sources of oils were potato chips, salad dressing, and nuts/seeds; major contributors of solid fats were grain-based desserts, cheese, and sausages. Sweetened carbonated beverages provided 37% of added sugars.

CONCLUSIONS

Americans do not, in general, consume the most nutrient-dense forms of basic food groups, instead consuming foods that are high in solid fats and added sugars. The main culprits-the foods that contribute most to discrepancies between recommendations and actual intake-are sweetened carbonated beverages and other sweetened beverages, grain-based desserts, nonskim dairy products, and fatty meats.

摘要

背景

食物指南通常围绕食物类别系统构建。因此,美国农业部的“我的金字塔”饮食指南中既包括食物类别和亚类别,也包括 discretionary calories 的摄入量建议。

目的

确定美国人群食物类别摄入量的主要饮食贡献因素。

方法

这项横断面研究使用了 2001 - 2002 年国家健康与营养检查调查数据,以确定每个亚类别对其“我的金字塔”食物类别的贡献的加权人群比例(即比例),以及特定食物对亚类别油、固体脂肪和添加糖的贡献(即主要贡献者)。与每种食物相关的食物代码被分类为 96 个类别,称为特定食物,并与“我的金字塔等量数据库”链接以获取食物类别等量信息。

结果

在比例方面,深绿色蔬菜(6%)、橙色蔬菜(5%)和豆类(6%)远低于推荐水平。全谷物的摄入量(占总量的 10%)远低于至少一半谷物应为全谷物的建议。在主要贡献者方面,油的主要来源是薯片、沙拉酱和坚果/种子;固体脂肪的主要贡献者是谷物类甜点、奶酪和香肠。加糖碳酸饮料提供了 37%的添加糖。

结论

总体而言,美国人并未摄入基本食物类别中营养密度最高的形式,而是摄入了固体脂肪和添加糖含量高的食物。主要罪魁祸首——对建议摄入量与实际摄入量之间差异贡献最大的食物——是加糖碳酸饮料和其他加糖饮料、谷物类甜点、非脱脂乳制品和肥肉。

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