Survey of Caffeine levels in the Favorite Diets of Children

어린이 기호식품 중 카페인 함량에 대한 조사

  • Lee, E-Na (Laboratory of Molecular Toxicology, College of Pharmacy, Pusan National University) ;
  • Kim, Hee-Jin (Laboratory of Molecular Toxicology, College of Pharmacy, Pusan National University) ;
  • Im, Ji-Young (Laboratory of Molecular Toxicology, College of Pharmacy, Pusan National University) ;
  • Kim, Jeoung-A (Laboratory of Molecular Toxicology, College of Pharmacy, Pusan National University) ;
  • Park, Hye-Young (Laboratory of Molecular Toxicology, College of Pharmacy, Pusan National University) ;
  • Ryu, Ju-Young (Laboratory of Molecular Toxicology, College of Pharmacy, Pusan National University) ;
  • Ko, Kwang-Rack (College of Nano Biotechnology, Pusan National University) ;
  • Kim, Hyung-Sik (Laboratory of Molecular Toxicology, College of Pharmacy, Pusan National University)
  • Published : 2007.09.30

Abstract

Children may respond differently to the caffeine from adults because they have different physiologic makeup and are functionally immature in terms of hepatic and renal function; this leads to the slower clearance of caffeine in early life. Therefore, children are often assumed to be more susceptible to caffeine effects. Alarge number of food supplements may interfere with these processes, and therefore caffeine exposure may have more serious consequences for children than for adults, irrespective of sensitivity. However, there has never been a national dietary survey on caffeine intakes in children. The purpose of our study was to identify caffeine intakes and beverage sources of caffeine in a representative sample of children in Busan, Korea. Caffeine intakes were based only on beverages included in the Continuing Surveys of Food Intakes by individuals. The caffeine content of the beverages ranged from 2.8 to 65.2mg/100ml for cola, soft drinks, and teas. Caffeine was not completely absent from caffeine-free colas, juice, and milk. In this study, cola-type beverages were an important dietary source of caffeine in the children. Daily caffeine intake for children was estimated to range from 12.5 to 250 mg/day. In general, the acceptable daily intake (ADI) of caffeine should cover the entire population including children. Therefore, special considerations should be needed regarding the consumption of soft drinks containing caffeine to children below the 12 years of age.

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