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Open AccessArticle

Evaluation of Riboflavin Intakes and Status of 20–64-Year-Old Adults in South Korea

Department of Food & Nutrition, Duksung Women's University, Seoul 132-714, Korea
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Nutrients 2015, 7(1), 253-264; https://doi.org/10.3390/nu7010253
Received: 17 November 2014 / Accepted: 19 December 2014 / Published: 31 December 2014
(This article belongs to the Special Issue Assessment of Nutrient Intakes)
A recent Korea National Health and Nutrition Survey indicated inadequate riboflavin intake in Koreans, but there is limited research regarding riboflavin status in South Korea. The purpose of this study was to determine riboflavin intake and status of Korean adults. Three consecutive 24-h food recalls were collected from 412 (145 men and 267 women) healthy adults, aged 20–64 years, living in South Korea and urine samples were collected from 149 subjects of all subjects. The dietary and total (dietary plus supplemental) riboflavin intake was 1.33 ± 0.34 and 2.87 ± 6.29 mg/day, respectively. Approximately 28% of the subjects consumed total riboflavin less than the Estimated Average Requirement. Urinary riboflavin excretion was 205.1 ± 190.1 μg/g creatinine. Total riboflavin intake was significantly positively correlated to the urinary riboflavin excretion. (r = 0.17171, p = 0.0363). About 11% of the Korean adults had urinary riboflavin <27 μg/g creatinine indicating a riboflavin deficiency and 21% had low status of riboflavin (27 μg/g creatinine ≤ urinary riboflavin < 80 μg/g creatinine). Thus, one-third of Korean adults in this study had inadequate riboflavin status. In some adults in Korea, consumption of riboflavin-rich food sources should be encouraged. View Full-Text
Keywords: riboflavin intake; riboflavin status; urinary excretion; riboflavin supplements; Korean adults riboflavin intake; riboflavin status; urinary excretion; riboflavin supplements; Korean adults
MDPI and ACS Style

Choi, J.Y.; Kim, Y.-N.; Cho, Y.-O. Evaluation of Riboflavin Intakes and Status of 20–64-Year-Old Adults in South Korea. Nutrients 2015, 7, 253-264.

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