J Nutr Health.  2017 Oct;50(5):483-493. 10.4163/jnh.2017.50.5.483.

Current status and trends in estimated intakes and major food groups of vitamin E among Korean adults: Using the 1~6(th) Korea National Health and Nutrition Examination Survey

• Ahn S
• Jun S
• Kim SA
• Ha K
• Joung H

• KMID: 2395224
• DOI: http://doi.org/10.4163/jnh.2017.50.5.483

Abstract

PURPOSE
The purpose of this study was to determine trends in dietary vitamin E intakes and contributing food groups among Korean adults.
METHODS
This study included 66,695 subjects aged ≥ 19 years who completed a nutrition survey as part of the Korea National Health and Nutrition Examination Survey (1998, 2001, 2005, 2007~2009, 2010~2012, 2013~2015). We estimated individual daily intakes of α-, β-, γ-, δ-tocopherol, and total vitamin E by linking food consumption data with a vitamin E database of commonly consumed foods.
RESULTS
Daily vitamin E intake significantly increased from 6.4 mg α-TE/d in 1998 to 7.7 mg α-TE/d in 2013~2015 (p for trend < 0.0001) among men as well as from 5.4 mg α-TE/d in 1998 to 6.5 mg α-TE/d in 2013~2015 among women (p for trend < 0.0001). However, the intake of vitamin E was lower than the adequate intake (AI) of Dietary Reference Intakes for Koreans 2015 (2015 KDRI). In 2013~2015, men consumed 6.5 mg/d of α-tocopherol, 0.5 mg/d of β-tocopherol, 6.0 mg/d of γ-tocopherol, and 3.9 mg/d of δ-tocopherol, whereas women consumed 5.7 mg/d of α-tocopherol, 0.4 mg/d of β-tocopherol, 4.8 mg/d of γ-tocopherol, and 2.8 mg/d of δ-tocopherol. The major food groups contributing to vitamin E intake were vegetables (men: 23.3%, women: 22.7%), grains (men: 14.5%, women: 13.9%), and eggs (men: 13.0%, women: 12.5%).
CONCLUSION
This study provides scientific evidence for vitamin E intake in Korean adults. Since the current intake of vitamin E was lower than the reference intakes set by 2015 KDRI, dietary vitamin E intake should be monitored regularly among Korean adults.

Keyword

vitamin E; tocopherol; KNHANES

MeSH Terms

Adult*
Eggs
Female
Humans
Korea*
Male
Nutrition Surveys*
Ovum
Recommended Dietary Allowances
Tocopherols
Vegetables
Vitamin E*
Vitamins*
Tocopherols
Vitamin E
Vitamins

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