Calsium sulfate Description
Features
USG Terra Alba-F&P Grade(CaSO4.2H2O), the dihydrate form of calcium sulfate, is made by fine-grinding and air-separating a select, high-purity white gypsum containing about 20% water of crystallization.
In increasing volume, U.S. Gypsum Calcium Sulfate products serve the food, beverage and pharmaceutical industries as an economical source of supplemental calcium. They are used in enriched flour and breads, cereals, baking powder, yeast foods, bread conditioners, canned vegetables and artificially sweetened jellies and preserves.
In beer manufacturing, the calcium ion, together with the needed beffering action as provided by proper water correction, promotes proper gelatinization of the starch in the cooker mash, as well as protein degradation and starch conversion. Thus, yield in the main mash is increased. In addition, the color of the wort is improved, and better precipitation and flocculation of undesirable protein complexes are achieved. The result is a paler, smoother-tasting beer with improved stability and shelf life.
For pharmaceutical applications, calcium sulfate is extensively used as a diluent serving as an excellent inert extender while it supplies dietary calcium.
Calcium sulfate is an approved additive on the Food and Drug Adminisstration GRAS(Generally Recongnized As Safe) list of food additives. Approvals for the use of calcium sulfate in specific food products for nutritional and functional uses are listed in FDA Regulation, Title 21, Food and Drugs, Parts 1 to 199, Revised April 1, 1985.
Calcium sulfate is also considered safe as a migrating substance in food contact surfaces. It is acceptable for mixture with pigments and colorants used in food containers.
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