The contents of hexachlorobenzene (HCB) in Food Red Nos. 104 and 105 samples certified in fiscal years 1998-2001 were determined by GC/MS. All 32 samples contained HCB ranging from 0.2 to 32.9 mg/kg. The daily intakes of HCB based on the production of food colors was estimated to be from 0.018 to 1.456 ng, and their average (0.441 ng) corresponded to 0.0052% of the ratio for the Tolerable Daily Intake (8.5 micrograms for 50 kg body weight) of HCB developed by the IPCS.
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