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美国人群的膳食脂肪摄入量。

Dietary-fat intake in the US population.

作者信息

Kennedy E T, Bowman S A, Powell R

机构信息

Department of Agriculture, Washington, DC 20250, USA.

出版信息

J Am Coll Nutr. 1999 Jun;18(3):207-12. doi: 10.1080/07315724.1999.10718853.

Abstract

OBJECTIVE

This article looks at the food group choices by individuals grouped based on fat intake, saturated fat intake, and use of lowfat foods.

METHODS

Food consumption data from USDA's National Food Consumption Surveys (NFCS) and the Continuing Survey of Food Intakes by Individuals (CSFII) were used to look at changes in the mean energy, percent calories from fat and saturated-fat and total-fat intakes over time. USDA's 1995 CSFII data were used to evaluate the diets of individuals grouped based on percent calories from fat and use of low-fat foods. Individuals six to 50 years old who had complete food intake records were included and five age-gender classifications were used.

RESULTS

The percent of calories from total fat and saturated fat have steadily declined over the last 30 years, and the amount of fat in the diet has increased from 1989 to 1995. Those whose diets met the Dietary Guidelines Recommendations for fat and saturated fat had lower fat intakes. Except for adult males, those with low-fat diets had higher intakes of total-food amount. Also, lower saturated-fat intakes were associated with lower energy intakes. In general, high-fruit-and-grain-products consumption were seen in groups with low-fat intake. For those who included low-fat foods in their diets and also had low-fat intakes, rice and pasta were the major foods of choice for calories. Fried potatoes were one of the main sources of calories for high-fat groups.

CONCLUSION

The study showed individuals whose diets included low-fat foods are more likely to have a diet that meets the dietary guidelines recommendations for fat and saturated fat.

摘要

目的

本文研究了根据脂肪摄入量、饱和脂肪摄入量和低脂食品使用情况分组的个体的食物组选择。

方法

利用美国农业部国家食物消费调查(NFCS)和个人食物摄入量持续调查(CSFII)的食物消费数据,研究平均能量、脂肪和饱和脂肪以及总脂肪摄入量占卡路里百分比随时间的变化。利用美国农业部1995年CSFII数据评估根据脂肪卡路里百分比和低脂食品使用情况分组的个体的饮食。纳入有完整食物摄入记录的6至50岁个体,并采用了五种年龄 - 性别分类。

结果

在过去30年中,总脂肪和饱和脂肪的卡路里百分比稳步下降,并且从1989年到1995年饮食中的脂肪量有所增加。那些饮食符合膳食指南中脂肪和饱和脂肪建议的人脂肪摄入量较低。除成年男性外,低脂饮食者的食物总量摄入量较高。此外,较低的饱和脂肪摄入量与较低的能量摄入量相关。一般来说,低脂摄入组的水果和谷物产品消费量较高。对于那些在饮食中包含低脂食品且脂肪摄入量较低的人来说,大米和面食是卡路里的主要选择食物。炸土豆是高脂肪组卡路里的主要来源之一。

结论

该研究表明,饮食中包含低脂食品的个体更有可能拥有符合膳食指南中脂肪和饱和脂肪建议的饮食。

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