Lactoferrin hydrolyzate for use as an antibacterial agent and as a tyrosinase inhibition agent
Patent 5214028 Issued on May 25, 1993. Estimated Expiration Date: 
December 27, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 27, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod for separating bovine lactoferrin from cow's milk and purifying same Process for producing bovine lactoferrin in high purity Process for the preparation of protein hydrolysate and medicaments containing these hydrolysates Method for separating and purifying lactoferrin from milk by use of sulfuric ester Patent #: 4997914 Inventors
AssigneeApplicationNo. 634763 filed on 12/27/1990US Classes:514/6, Heavy metal containing (e.g., hemoglobin, etc.)424/94.1, ENZYME OR COENZYME CONTAINING424/94.66, Acid proteinases (3.4.23) (e.g., pepsin, renin, chymosin, etc.)426/56, With added enzyme, or added enzyme producing material or microorganism426/657, From animal435/68.1, Enzymatic production of a protein or polypeptide (e.g., enzymatic hydrolysis, etc.)514/8, Glycoprotein (carbohydrate containing)514/21, Produced by or extracted from animal tissue530/395, Glycoprotein, e.g., mucins proteoglycans, etc.530/397, Glycoprotein hormones530/407Hydrolysis of proteinExaminersPrimary: Schain, Howard E.Attorney, Agent or FirmForeign Patent References
International ClassesC07K 003/10C07K 001/12 Foreign Application Priority Data1990-01-23 JPAbstractLactoferrin hydrolyzates, having a decomposition rate between 6%-20% as measured by formol titration, for use as an antibacterial agent and which have remarkly more potent activity than unhydrolyzed lactoferrin; and lactoferrin hydrolyzates, having a decomposition rate between 4-50% as measured by formol titration, for use as a tyrosinase inhibition agent, are obtainable by conventional methods for hydrolysis with acids or enzymes, and are stable to heating.Other References
Field of SearchGlycoprotein, e.g., mucins proteoglycans, etc.Glycoprotein hormones Hydrolysis of protein Heavy metal containing (e.g., hemoglobin, etc.) Produced by or extracted from animal tissue Glycoprotein (carbohydrate containing) From animal With added enzyme, or added enzyme producing material or microorganism Enzymatic production of a protein or polypeptide (e.g., enzymatic hydrolysis, etc.) |
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