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中国成年人膳食维生素 A 摄入量：来自 CNTCS2015 的研究结果。

Dietary vitamin a intake among Chinese adults: findings from CNTCS2015.

机构信息

National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, 29 Nanwei Rd, Beijing, China.

出版信息

Nutr J. 2018 Jun 11;17(1):60. doi: 10.1186/s12937-018-0369-3.

DOI:10.1186/s12937-018-0369-3
PMID:29890981
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5996529/
Abstract

BACKGROUND

Vitamin A plays an important role in human functions, which mainly come from foods. This study aims to examine dietary vitamin A intake and major food sources of Chinese adults.

METHODS

We analyzed the cross-sectional data from 12,246 adult aged 18 to 64 years old in 2015 China Nutritional Transition Cohort Study. Three consecutive 24-h dietary recalls combined with household weighing method were used to assess dietary vitamin A intake.

RESULTS

The average dietary vitamin A intakes were 480.9 μg retinol equivalents (RE) or 307.2 μg retinol activity equivalents (RAE). The carotenes and retinol intake of subjects were 2084.7 μg/day and 133.5 μg/day, respectively. Approximately 87% of adults consumed less vitamin A than the Chinese Estimated Average Requirement (EAR), and only 6% of adults consumed more than Chinese Recommended Nutrient Intake (RNI). Chinese adults derived vitamin A mainly from plant source foods, which is supplied as carotenes (67.4% RE or 56.4% RAE). Dark- and light- vegetables and fruits were major contributors of carotenes (accounted for 84.2%). The most import food sources of retinol were egg, meats and meat products, poultry, fish and milk, representing 94.7% of retinol intake. The major four contributors of total vitamin A (as both RE and RAE) were dark vegetables, egg, light vegetables, and meats and meat products. In conclusion, dietary vitamin A remains a problem for Chinese adults.

CONCLUSIONS

Public health actions are needed to increase vitamin A intake in China.

摘要

背景

维生素 A 在人体功能中起着重要作用，主要来自食物。本研究旨在调查中国成年人的膳食维生素 A 摄入量和主要食物来源。

方法

我们分析了 2015 年中国营养转型队列研究中 12246 名 18 至 64 岁成年人的横断面数据。采用连续 3 天 24 小时膳食回忆法和家庭称重法评估膳食维生素 A 摄入量。

结果

平均膳食维生素 A 摄入量为 480.9μg 视黄醇当量（RE）或 307.2μg 视黄醇活性当量（RAE）。受试者的类胡萝卜素和视黄醇摄入量分别为 2084.7μg/天和 133.5μg/天。约 87%的成年人摄入的维生素 A 低于中国估计平均需求量（EAR），只有 6%的成年人摄入的维生素 A 高于中国推荐营养素摄入量（RNI）。中国成年人主要从植物性食物中获取维生素 A，这些食物以类胡萝卜素的形式提供（占 RE 的 67.4%或 RAE 的 56.4%）。深色和浅色蔬菜和水果是类胡萝卜素的主要来源（占 84.2%）。视黄醇的最重要食物来源是蛋类、肉类和肉类制品、家禽、鱼类和牛奶，占视黄醇摄入量的 94.7%。总维生素 A（RE 和 RAE 两种形式）的主要四个来源是深色蔬菜、蛋类、浅色蔬菜和肉类和肉类制品。总之，中国成年人的膳食维生素 A 仍然存在问题。

结论

需要采取公共卫生措施来增加中国成年人的维生素 A 摄入量。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/a2674f5bff0c/12937_2018_369_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/10cf2a264502/12937_2018_369_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/86cf7d4a3bb3/12937_2018_369_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/003da27d12cb/12937_2018_369_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/2fb882cf5d2b/12937_2018_369_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/a2674f5bff0c/12937_2018_369_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/10cf2a264502/12937_2018_369_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/86cf7d4a3bb3/12937_2018_369_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/003da27d12cb/12937_2018_369_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/2fb882cf5d2b/12937_2018_369_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/325a/5996529/a2674f5bff0c/12937_2018_369_Fig5_HTML.jpg

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