Iron, Manganese and Nickel Exposure from Beverages in Nigeria : A Public Health Concern?

概要

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Iron, manganese and nickel were analyzed using Atomic Absorption Spectrophotometry (AAS) in 50 beverages sold in Nigeria. Iron levels ranged from 0.020-2.460 mg/l for canned and 0.020-2.090 mg/l for non-canned beverages. In 95.24% of the canned beverages, iron levels exceeded the maximum contaminant level (MCL) of 0.30 mg/l, while 75.86 % of the non-canned beverages had iron levels exceeding the MCL. Manganese levels ranged from 0.001-0.730 mg/l for canned and 0.001-0.209 mg/l for non-canned beverages. 42.86% of the canned beverages had manganese levels that exceeded MCL of 0.05 mg/l, while 51.72% of the non-canned beverages had manganese levels exceeding the MCL. Nickel levels ranged from 0.013-0.993 mg/l for the canned and 0.009-0.938 mg/l for non-canned beverages. 80.95 % of the canned beverages had nickel levels that exceeded MCL of 0.10 mg/l while 72.41% of the non-canned beverages had nickel levels exceeding the MCL. The sources of these contaminants are unclear and merit further investigation.
公益社団法人日本薬学会の論文
2008-06-01