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http://dx.doi.org/10.3746/jkfn.2009.38.6.709

Survey of Daily Caffeine Intakes from Children's Beverage Consumption and the Effectiveness of Nutrition Education  

Kim, Sung-Dan (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Yun, Eun-Sun (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Chang, Min-Su (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Park, Young-Ae (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Jung, Sun-Ok (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Kim, Dong-Gyu (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Kim, Youn-Cheon (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Chae, Young-Zoo (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Kim, Min-Young (Seoul Metropolitan Government Research Institute of Public Health and Environment)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.38, no.6, 2009 , pp. 709-720 More about this Journal
Abstract
This study was conducted to identify daily caffeine intakes in beverages for elementary school children and to evaluate its effectiveness after nutrition education. The caffeine contents of 140 commercial beverages were analysed by high performance liquid chromatography-ultraviolet detector (HPLC-UV) and information about their consumption were obtained by surveying 267 children. Researchers gave nutrition education to the children, who were 6 to 11 years old and attended 9 classes of 3 elementary schools, by lecture, Powerpoint file and moving picture. Their preference and intake amount on beverages were investigated by questionnaire before and after nutrition education. The order on caffeine contents was coffee ($33.8{\pm}2.4{\sim}49.1{\pm}5.6\;mg/100\;mL$)> coffee milk ($10.6{\pm}3.3\;mg/100\;mL$)> cola ($6.0{\pm}2.4\;mg/100\;mL$)> green black oolong tea drink ($6.0{\pm}2.4\;mg/100\;mL$)> chocolate milk and chocolate drink ($1.6{\pm}0.7{\sim}1.7\;mg/100\;mL$)> black ice tea mix ($1.3{\pm}1.7\;mg/100\;mL$). The order on children's preference was carbonated drink and fruit and vegetable drink (27%)> sports drink (26%)> processed cocoa mix (7%)> milk (6%)> vitamin & functional drink (3%)> green tea drink (2%)> black tea drink and coffee (1%). The average daily caffeine intakes except tea drink was $5.9{\pm}11.2$ mg/person/day ($0.17{\pm}0.32$ mg/kg bw/day), ranged from $0.0{\sim}80.5$ mg/person/day for children. The sources of caffeine were coffee 57% (3.4 mg/person/day), coffee milk 20% (1.2 mg/person/day), carbonated drink 15% (0.9 mg/person/day), chocolate milk and chocolate drink 6% (0.4 mg/person/day), and vitamin & functional drink 2% (0.1 mg/person/day). After nutrition education, the preference of carbonated drink, coffee, vitamin drinks & functional drink was decreased significantly (p<0.05, p<0.05, p<0.01) and the intakes of carbonated drink, chocolate milk & chocolate drink, and vitamin & functional drink were also decreased significantly (p<0.01, p<0.05, p<0.01). This study has shown that nutrition education influences the preference and the intake behavior of caffeinated beverages.
Keywords
caffeine; beverage; daily caffeine intakes; nutrition education;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
Times Cited By SCOPUS : 0
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