Lactoferrin hydrolyzate for use as an antibacterial agent and as a tyrosinase inhibition agent
Patent 5389611 Issued on February 14, 1995. Estimated Expiration Date: 
February 14, 2012. 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.
February 14, 2012. 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 Lactoferrin hydrolyzate for use as an antibacterial agent and as a tyrosinase inhibition agent Patent #: 5214028 Inventors
AssigneeApplicationNo. 803955 filed on 12/09/1991US Classes:514/6, Heavy metal containing (e.g., hemoglobin, etc.)426/656, Protein, amino acid, or yeast containing426/657, From animal435/68.1, Enzymatic production of a protein or polypeptide (e.g., enzymatic hydrolysis, etc.)514/2, Peptide containing (e.g., protein, peptones, fibrinogen, etc.) DOAI514/12, 25 or more peptide repeating units in known peptide chain structure514/21, Produced by or extracted from animal tissue530/395, Glycoprotein, e.g., mucins proteoglycans, etc.530/407Hydrolysis 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 remarkably 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
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