Excerpt from Coal-Tar Colors Used in Food Products
An examination of 30 specimens representative of the 7 selects permitted colors on the United States market in the summer 1907 disclosed such a condition of uncleanliness of product, or less or improper manufacture, and the u... se of such utterly in qualities of products for food coloring purposes, that control the quality of the seven permitted colors seemed necessary. Results of the work in the making and quality for each of these seven colors als there was in 1907, and for a year or more later, a considerable diver-l gence of opinion among chemists as to what Should be the proper. Quality requirements for these colors is shown by the fact that out? Of 72 foundation certificates offered in accordance with Food Inspec tion Decisions Nos. 76 and 7 7 57 were rejected on their face because they did not comply with the standards of quality then in mind, or then shown to be commercially attainable. Much objection has been made by many of those whose certificates were rejected on the ground that the standards then in mind were unreasonable, unjusti fiable, and nonattainable. The actual results, however, are that with very few exceptions the standards in mind early in the work have all been exceeded in practice; the pounds tons) of certified colors now in existence made in 97 batches, or an average of more than 420 pounds per batch, are, with the exception of perhaps one or two first batches, far cleaner than was expected when the 57 certificates above referred to were rejected.
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