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casein
The Columbia Encyclopedia, Sixth Edition | Date: 2008
casein , well-defined group of proteins found in milk, constituting about 80% of the proteins in cow's milk, but only 40% in human milk. Casein is a remarkably efficient nutrient, supplying not only essential amino acids, but also some carbohydrates and the inorganic elements calcium and phosphorus. The calcium caseinates form an insoluble white curd when acidified by hydrochloric acid or sulfuric acid, or when milk is soured by bacterial contaminants. Acid casein is used widely in cheese, adhesives, water paints, for coating paper, and in printing textiles and wallpaper. In neutral solutions the enzyme rennin converts one of the caseins to an insoluble curd; most of the protein in cheese is rennet casein curd. When treated with formaldehyde the curd forms casein plastic, used for manufacturing imitation tortoiseshell, jade, and lapis lazuli.
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The Columbia Encyclopedia, Sixth Edition 2008
The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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Related entries from encyclopedias, dictionaries, and thesauruses
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casein
A Dictionary of Food and Nutrition
casein About 75% of the proteins of milk are classified as caseins; a group of 12–15 different proteins. Often used as a protein supplement, since the casein fraction from milk is more than 90% protein.
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lactalbumin
A Dictionary of Food and Nutrition
lactalbumin One of the proteins of milk (casein 3%, lactalbumin 0.5%, lactoglobulin 0.25%). Not precipitated from acid solution as is casein; hence, whey contains lactalbumin and lactoglobulin, which are precipitated by heat and can be used to make whey cheese .
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caseinogen
A Dictionary of Food and Nutrition
caseinogen An obsolete name for the form in which casein is present in solution in milk; when it was precipitated it was then called casein.
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SIC 2023 Dry, Condensed, and Evaporated Dairy Products
Encyclopedia of American Industries
... dilute alkali and then drying the solution. Sodium caseinate is generally recognized as safe (GRAS). Casein has a higher Protein Efficiency Ratio (PER) than vegetable ... ratio of protein is equal to or better than that of casein, the U.S. Recommended Daily Allowance (RDA) is 45 grams." However, if the PER ...
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Casilan
A Dictionary of Food and Nutrition
Casilan Trade name for a casein preparation used as a protein concentrate.
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