Journal
JOURNAL OF HEALTH SCIENCE
Volume 55, Issue 4, Pages 549-553Publisher
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/jhs.55.549
Keywords
bottled beverages; chlorate; perchlorate; drinking water
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Funding
- Ministry of Health, Labour and Welfare, Japan
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The concentrations of chlorate and perchlorate were examined by ion chromatography-tandem mass spectrometry (IC-MS-MS) in 106 bottled beverages purchased or obtained mainly in the Tokyo area to estimate exposure to these chemicals attributable to bottled beverages. The bottled beverages were classified into 5 categories: water from the water supply (n = 5), natural water (n = 49), bottled water (n = 10), tea (n = 25), and soft drinks (n 17). Chlorate was detected in 85 bottled beverages (highest concentration, 700 mu g/l), including all of the samples of bottled water from the water supply at levels ranging from 25 to 120 mu g/l. Perchlorate was detected above the minimum reporting limit (i.e., 0.05 mu g/l) from 62 bottled beverages, with the highest concentration of 0.92 mu g/l. As the average consumption of bottled beverages calculated from market statistics is approximately 400 ml/day per person, it seems important to take the amounts of chlorate and perchlorate ingested from bottled bevel-ages into consideration for estimation of total intake of these chemicals.
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