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Survey on Sodium and Potassium Content of School Meals as well as Sodium and Potassium Intake by Students in the Daejeon and Chungcheong Area  

Lee, Eun-Mi (Hazardous Substance Analysis Division, Daejeon Regional Food and Drug Administration)
Park, You-Gyoung (Hazardous Substance Analysis Division, Daejeon Regional Food and Drug Administration)
Jung, Woo-Young (Hazardous Substance Analysis Division, Daejeon Regional Food and Drug Administration)
Kim, Mi-Ra (Hazardous Substance Analysis Division, Daejeon Regional Food and Drug Administration)
Seo, Eun-Chae (Hazardous Substance Analysis Division, Seoul Regional Food and Drug Administration)
Jung, Rae-Seok (Hazardous Substance Analysis Division, Daejeon Regional Food and Drug Administration)
Na, Mi-Ae (Hazardous Substance Analysis Division, Daejeon Regional Food and Drug Administration)
Lee, Jin-Ha (Hazardous Substance Analysis Division, Gwangju Regional Food and Drug Administration)
Heo, Ok-Soon (Hazardous Substance Analysis Division, Daejeon Regional Food and Drug Administration)
Publication Information
Journal of the East Asian Society of Dietary Life / v.20, no.6, 2010 , pp. 853-862 More about this Journal
Abstract
This study was conducted as a nationwide project in order to obtain data on the content and intake of sodium in school meals. For this purpose, we selected two elementary and two middle schools in Daejeon as well as four elementary schools in the Chungcheong area. We measured the sodium and potassium contents of 842 dishes as well as their intake levels over 154 days. Sodium content was analyzed using an AAS (Atomic Absorption Spectrometer). The average meal intakes of second and fifth grade elementary school students were 244 g/meal and 304 g/meal, respectively. The meal intake of middle school students was 401 g/meal. Boys tended to eat slightly more than did girls, and students tended to eat more in the spring than in the summer. The average sodium intake per meal was 642 mg (570 mg by elementary school students, 1068 mg by middle school students), which was 32.1% of the UL (Tolerable Upper Intake Level, 2,000 mg per day) according to the KDRIs (Dietary Reference Intakes for Koreans). The sodium intake per meal was not significantly differ between boys and girls or between spring and summer (p>0.05). This study provides fundamental data that can be used to establishment a nutrition policy concerning the adequate content of sodium in school meals.
Keywords
School meal; sodium; potassium; atomic absorption spectrometer; intake;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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