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Survey on the Sodium Contents of Nursery School Meals in Gyeonggi-Do

경기도지역 어린이집의 단체급식 중 나트륨 함량 실태조사 연구

  • Jung, Hong-Rae (Health Research Planning Team, Gyeonggi-Do Institute of Health & Environment) ;
  • Lee, Myung-Jin (Health Research Planning Team, Gyeonggi-Do Institute of Health & Environment) ;
  • Kim, Ki-Cheol (Health Research Planning Team, Gyeonggi-Do Institute of Health & Environment) ;
  • Kim, Jung-Boem (Health Research Planning Team, Gyeonggi-Do Institute of Health & Environment) ;
  • Kim, Dae-Hwan (Health Research Planning Team, Gyeonggi-Do Institute of Health & Environment) ;
  • Kang, Suk-Ho (Health Research Planning Team, Gyeonggi-Do Institute of Health & Environment) ;
  • Park, Jong-Suk (Research Planning & Management Division, KFDA) ;
  • Kwon, Kwang-Il (Nutrition Policy Division, KFDA) ;
  • Kim, Mee-Hye (Imported Food Analysis Division, Gyeongin Regional KFDA) ;
  • Park, Yong-Bae (Health Research Planning Team, Gyeonggi-Do Institute of Health & Environment)
  • 정홍래 (경기도보건환경연구원 보건연구기획팀) ;
  • 이명진 (경기도보건환경연구원 보건연구기획팀) ;
  • 김기철 (경기도보건환경연구원 보건연구기획팀) ;
  • 김중범 (경기도보건환경연구원 보건연구기획팀) ;
  • 김대환 (경기도보건환경연구원 보건연구기획팀) ;
  • 강석호 (경기도보건환경연구원 보건연구기획팀) ;
  • 박종석 (식품의약품안전청 연구기획조정과) ;
  • 권광일 (식품의약품안전청 영양정책과) ;
  • 김미혜 (경인지방 식품의약품안전청 수입식품분석과) ;
  • 박용배 (경기도보건환경연구원 보건연구기획팀)
  • Published : 2010.04.30

Abstract

The prevalence rate for chronic diseases such as obesity, diabetes, hypertension etc. caused by the increment of national income and the change of food life according to the globalization in Korea have been increased. Especially excess sodium intake may contribute to the development of hypertension, increasing cardiovascular disease risk. The objective of this study was to investigate sodium intake of nursery school meals in Gyeonggi-Do, and to construct database for lesser sodium intake policy. Survey consisted of 601 sample intakes of sodium in summer and in winter. A food weighed record method was used for measuring food intakes. Average intakes of ten children per nursery school were measured. The sodium contents of meals were analyzed by ICP-OES (inductively coupled plasma-optical emission spectrometer) after acid digestion by microwave. The sodium contents on food groups showed that sources (693 mg/100 g), grilled foods (689 mg/100 g) and kimchies (643 mg/100 g) had respectively higher sodium contents and the average sodium intake per meal was $582\pm204$ mg. The sodium contents of soups & hot soups and kimchies had 37.5% and 15.8% of total sodium intakes per meal, respectively. Sodium intakes per meal in summer and winter showed 572.3 mg and 592.3 mg, respectively. Regional ranking of sodium intakes showed the ascending order of apartment (514.3 mg/meal), rural region (540.5 mg/meal), multiplex house (635.9 mg/meal) and industrial complex (696.4 mg/ meal). A habit of excessive sodium intakes in childhood will threaten their health when they grow up to be adults; thus lesser intake of sodium per meal is needed for children in nursery school.

어린이 먹거리 안전관리를 위한 목적으로 경기지역 6개 도시 12개소의 어린이집을 대상으로 여름철과 겨울철에 각각 5일간 현지 출장하였으며, 실측량 기록법으로 단체급식에 제공되는 식품의 섭취량을 조사하였고 총 601건의 시료를 수거하여 식품 중 나트륨 섭취량을 조사 연구하였다. 조사결과 어린이집의 한 끼니 당 평균 나트륨 섭취량은 582.2 mg으로 세계보건기구와 세계농업기구(WHO/FAO)의 성인 섭취 권장량의 2,000 mg/1일의 29.1%를 차지하고 있었으며, 본 연구의 조사대상이 어린이임을 고려하면 매우 높은 양이다. 어린이집의 나트륨 섭취에 가장 영향을 미치는 식품군은 국 및 탕류로 어린이집 나트륨 섭취량의 35.7%를 차지하는 것으로 나타났다. 따라서 국에서 나트륨 섭취를 줄이는 방법이 어린이집에서 효율적인 나트륨 섭취 저감화가 될 것으로 사료된다. 여름철과 겨울철의 나트륨 섭취량은 각각 572.3 mg, 592.3 mg으로 나타나 겨울철의 나트륨 섭취량이 높은 것으로 나타났으나 유의적 차이는 없었으며, 지역 특성에 따른 나트륨 섭취량은 공단지역이 가장 높은 696.4 mg으로 나타났고, 가장 섭취량이 적은 지역은 아파트단지로서 514.3 mg이었다. 영양사의 배치에 따른 나트륨 섭취량은 영양사가 배치되지 않은 어린이집이 545.1 mg으로 영양사가 배치된 어린이집 619.4 mg보다 유의적으로 낮게 나타났으며 나트륨 섭취량(mg)/한 끼 섭취량(g) 비를 조사한 결과 유의적 차이는 식품의 나트륨 함량과 식품의 섭취량에 기인한 것으로 나타났다. 본 연구 조사결과 어린이집에서 나트륨 섭취량 저감화를 위해서는 어린이집 단체급식의 종사자에 대한 나트륨 교육 및 실질적인 나트륨 측정방법 교육 등을 제공하는 것이 필요하다고 사료된다. 본 연구 조사는 어린이 먹거리 안전관리 중 나트륨 저감화 정책의 중요한 기초자료로 활용될 수 있으며 향후 나트륨 저감화 사업을 위해서는 어린이집 단체급식 종사자에 대한 실질적인 교육이 필요할 것이라 사료된다.

Keywords

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