The Butter Industry Prepared for the Use of Creameries Dairy Students And Pure
The book The Butter Industry Prepared for the Use of Creameries Dairy Students And Pure was written by author Otto Frederick Hunziker Here you can read free online of The Butter Industry Prepared for the Use of Creameries Dairy Students And Pure book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Butter Industry Prepared for the Use of Creameries Dairy Students And Pure a good or bad book?
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For this purpose a variety of butter colors is used. A suitable butter color must be free from ingredients injuri- ous to the health of the consumer, it should have such strength of coloring that only a very small quantity need be added to cream in order to give the butter the desired shade of yellow, and it must be free from undesirable odors and flavors so as to not impair the quality and market value of the butter. Aniline colors which formerly were used extensively for this purpose possess ...very intensive coloring properties, but their use is prohibited by the Federal Pure Food Act which went in force in 1907. 1 While extracts from various plants may serve as butter colors, the bulk of butter color of com- merce today is the coloring substance extracted from the seed of the Annatto plant, Bixa oreltana, by means of some neutral oil, such as cottonseed oil, or corn oil. The extract of butter color is made by boiling the annatto seed in the oil for several hours. During the latter period of the process the heat is raised to a very high temperature, about 240 degrees F.
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