This report represents the conclusions of a Joint FAO/WHO Expert Committee convened to evaluate the safety of various food additives and contaminants with a view to recommending Acceptable Daily Intakes (ADIs) and tolerable intakes respectively and to prepare specifications for the identity and purity of food additives. The first part of the report contains a general discussion of the principles governing the toxicological evaluation of food additives (including flavouring agents) and contaminants assessments of intake and the establishment and revision of specifications of food additives. A summary follows of the Committee's evaluations of toxicological and intake data on various specific food additives (diacetyltartaric and fatty acid esters of glycerol quillaia extracts invertase from Saccharomyces cerevisiae ß-carotene from Blakeslea trispora curcumin phosphates diphosphates and polyphosphates hydrogenated poly-1-decene natamycin D-tagatose carrageenan processed Eucheuma seaweed curdlan acetylated oxidized starch a-cyclodextrin and sodium sulfate) flavouring agents and contaminants (3-chloro-1 2-propanediol 1 3-dichloro-2-propanol and a large number of polychlorinated dibenzodioxins polychlorinated dibenzofurans and coplanar polychlorinated biphenyls). Annexed to the report are tables summarizing the Committee's recommendations for ADIs of the food additives and tolerable intakes of the contaminants considered changes in the status of specifications of these food additives and specific flavouring agents and further information required or desired.
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