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德克萨斯州伍德兰兹地区学童膳食脂肪的摄入量及食物来源

Intake and food sources of dietary fat among schoolchildren in The Woodlands, Texas.

作者信息

McPherson R S, Nichaman M Z, Kohl H W, Reed D B, Labarthe D R

机构信息

University of Texas Health Science Center, School of Public Health, Southwest Center for Prevention Research and Human Nutrition Center, Houston 77225.

出版信息

Pediatrics. 1990 Oct;86(4):520-6.

PMID:2216615
Abstract

To investigate the nutrient intake and food use patterns among schoolchildren, diet was assessed among 138 children and adolescents in grades 5 through 12 using three random, nonconsecutive, 1-day food records. Mean intake of total fat, saturated fat, and polyunsaturated fat as percent of calories was 35.6%, 13.4%, and 6.6%, respectively. Among all subjects, 17% consumed diets containing less than 30% of calories from fat, 34% consumed greater than or equal to 38% of calories from fat, 7% consumed less than 10% of calories from saturated fatty acids, and greater than 97% ate less than 300 mg of cholesterol per day. While intake of calories, sodium, and beta-carotene per 1000 kcal was higher in subjects consuming higher fat diets, intake of other micronutrients was either higher among those eating low-fat diets or did not differ by level of fat intake. Differences were seen in the amount of saturated fat and cholesterol that individual food sources contributed to the diets of subjects eating high and low fat diets. These cross-sectional data show that a substantial proportion of children and adolescents in this population are consuming diets low in fat and cholesterol without systematic differences in intake of other nutrients, suggesting that current dietary guidelines regarding fat intake are attainable within the current food use pattern of healthy, school-aged children and adolescents.

摘要

为调查学童的营养摄入和食物消费模式,我们采用三份随机、非连续的1日食物记录,对138名五至十二年级的儿童和青少年的饮食进行了评估。总脂肪、饱和脂肪和多不饱和脂肪的平均摄入量占卡路里的百分比分别为35.6%、13.4%和6.6%。在所有受试者中,17%的人饮食中脂肪提供的卡路里低于30%,34%的人脂肪提供的卡路里大于或等于38%,7%的人饱和脂肪酸提供的卡路里低于10%,超过97%的人每天摄入的胆固醇少于300毫克。虽然高脂肪饮食受试者每1000千卡的卡路里、钠和β-胡萝卜素摄入量较高,但其他微量营养素的摄入量在低脂饮食者中较高,或不因脂肪摄入量水平而有所不同。高脂肪和低脂肪饮食受试者的饮食中,个别食物来源的饱和脂肪和胆固醇含量存在差异。这些横断面数据表明,该人群中相当一部分儿童和青少年的饮食脂肪和胆固醇含量较低,其他营养素的摄入量没有系统性差异,这表明当前关于脂肪摄入的饮食指南在健康学龄儿童和青少年当前的食物消费模式下是可以实现的。

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