Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shinsaku Takaoka0
Date of Patent
October 14, 2008
0Patent Application Number
113894810
Date Filed
March 27, 2006
0Patent Primary Examiner
Patent abstract
A Bacillus natto culture is treated with chitosan, and then filtered, concentrated, and dried. According to this method, a Bacillus natto culture extract containing nattokinase and 1 μ/g or less of vitamin K2/g dry weight is obtained.
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