CP Kelco obtains United States patent.CP Kelco U.S., Inc. (Wilmington, DE) has patented a process is disclosed for clarifying an aqueous xanthan gum xan·than gum n. A natural gum of high molecular weight produced by culture fermentation of glucose and used as a stabilizer in commercial food preparation. solution comprising treatment of the xanthan solution with at least one chelating agent, surfactant Surfactant Definition Surfactant is a complex naturally occurring substance made of six lipids (fats) and four proteins that is produced in the lungs. It can also be manufactured synthetically. , organic acid, or a mixture thereof, and with a protease protease /pro·te·ase/ (pro´te-as) endopeptidase. pro·te·ase n. Any of various enzymes, including the proteinases and peptidases, that catalyze the hydrolytic breakdown of proteins. enzyme or a lysozyme lysozyme: see immunity. Lysozyme An enyme that was first identified and named by Alexander Fleming, who recognized its bacteriolytic properties. and a protease enzyme. Also disclosed is a highly purified solid xanthan gum and compositions containing the same, wherein the gum is obtained from the clarified xanthan gum solution. (US 6,586,213) |
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