가공식품 내의 monosodium glutamate의 섭취가 아토피 피부염 아동에 미치는 영향

Abstract

Atopic dermatitis (AD) is a chronically relapsing inflammatory skin disease commonly associated with food allergy. Recent studies demonstrated that the prevalence of AD in school-age children has been increased in Korea. Diet is one of the main factors in presenting symptom of AD. AD symptom is possibly controlled by avoiding allergenic foods. As using of convenient processed food is dramatically increased, evidence is growing that immunologic hypersensitivity such as AD and asthma may cause adverse reactions to processed foods and food additives which commonly including in processed foods. The aim of present study was to compare the processed foods consumption pattern between school-aged children with and without AD. Data from 728 children (children with AD = 132, children without AD = 596) were analyzed for general characteristics, dietary nutrients intake and estimation of MSG intake from various foods. The age was 9.64 ± 1.47 years in children with AD which was significantly younger than children without AD (9.96 ± 1.23 yr). Mothers of children with AD showed higher percentage of no occupation (p = 0.003). The amount of fiber, ash and vegetable calcium intake in children with AD was significantly lower than in children without AD (p < 0.05). The amount of β-carotene intake was 2870.28 ± 1004.67 μg/day in children with AD which is significantly lower than the amount of β-carotene intake in children without AD (3180.86 ± 1289.07 μg/day) (p = 0.010). Sodium intake of children without AD was 3730 ± 832.79 mg/day which was significantly higher than 3496.74 ± 687.02 mg/day of children with AD (p = 0.003). MSG consumption from Doenjang was 154.76 ± 11.10 mg/day in children with AD which is significantly higher than 109.81 ± 5.47 mg/day in children without AD (p < 0.05). However MSG consumption from canned fish in children without AD was 734.06 ± 44.03 mg/day which was significantly higher than 472.88 ± 208.20 mg/day in AD children (p < 0.05). In conclusion, fiber, sodium and calcium intake were significantly lower in children with AD than without AD. Antioxidant nutrient intake such as β-carotene was lower in children with AD than without AD. However, there were no significant differences in MSG intake between children with and without AD. As shown in our results, the main sources of MSG in the diet of school-age children were tomato ketchup, snacks and canned fish. Thus, this study may suggest that reduction of processed foods consumption such as tomato ketchup, snacks and canned fish would reduce MSG consumption in the children regardless of AD.