Assessment of caffeine intake in the Korean population
FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT(2015)
摘要
An improved method for the analysis of caffeine in foods by HPLC was validated by measuring several analytical parameters. The caffeine contents of 1202 products available from Korean markets were analysed. A consumption study was conducted by using data from the Korea National Health and Nutrition Examination Survey (KNHANES), 2010-12, to estimate the caffeine intakes of the Korean population. The mean intakes of caffeine from all sources in the general population and consumers were 67.8 and 102.6mgday(-1) for all age groups, respectively. The 95th percentile intakes of the general population and consumers were 250.7 and 313.7mgday(-1), respectively. In those aged 30-49years, the caffeine intakes of the general population and consumers were highest at 25.5% (101.8mgkg(-1) day(-1)) and 36.6% (0.9mgkg(-1) day(-1)), respectively, compared with the maximum recommended daily intake (400mgday(-1)) for adults. In the general population, the main contributors to the total caffeine intake were carbonated beverage for the younger age groups and coffee for the adults. These data provide a current perspective on caffeine intake in the Korean population.
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关键词
caffeine,consumption,intake,Korea National Health and Nutrition Examination Survey (KNHANES),Korean population
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