KMID : 1036720150480060507
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Journal of Nutrition and Health 2015 Volume.48 No. 6 p.507 ~ p.518
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Flavonoid intake according to food security in Korean adults: Based on the Korea National Health and Nutrition Examination Survey 2007~2012
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Àü½Å¿µ:Jun Shin-Young
È«ÀºÁÖ:Hong Eun-Ju/Á¤È¿Áö:Joung Hyo-Jee
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Abstract
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Purpose: The aim of this study was to examine the association of food security with the total and individual flavonoid intakes among Korean adults.
Methods: Study subjects were 13,454 men and 19,563 women aged 19 years and older who participated in the 2007~2012 Korea National Health and Nutrition Examination Survey. Subjects were classified into food-secure and food-insecure groups using the answers to a self-reported question on food sufficiency of subjects' household. The total and individual flavonoid intakes were calculated by linking 24-h dietary recall data of subjects with a flavonoid database. Mean differences in dietary outcomes by food security status, and major food sources of total flavonoids were examined. Results: In this cross-sectional study, 5.8% of male adults and 6.6% of female adults were in food insecure households. Mean daily intakes of total flavonoids, flavonols, flavones, flavanones, flavan-3-ols, isoflavones, and proanthocyanidins were significantly lower in food-insecure groups than food-secure groups among both male and female adults. The differences were maintained in total flavonoids, flavones, flavanones, and flavan-3-ols after adjusting for total energy intake. Mean intakes of fruits and vegetables were significantly lower in food-insecure groups and the total flavonoid intake from fruits and vegetables was also significantly lower in food-insecure groups. The major food sources of total flavonoids were apples (20.7%), mandarines (12.0%), and tofu (11.5%) in the food-secure group, and apples (14.9%), tofu (13.3%), and mandarines (12.6%) in the food-insecure group.
Conclusion: This study showed that food insecurity was associated with lower intakes of flavonoids and reduced intakes of fruits and vegetables in a representative Korean population.
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KEYWORD
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flavonoids, food security, KNHANES
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