PROTÉASE B ET SOLUTION DE LACTASE UTILISANT LES PROPRIÉTÉS DE CETTE DERNIÈRE, ET PROCÉDÉ DE FABRICATION ASSOCIÉ

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专利权人:

Ltd.;Godo Shusei Co.

发明人:

申请号：

EP17766719.3

公开号：

EP3431596A4

申请日:

2017.03.15

申请国别(地区):

EP

年份:

2019

代理人:

摘要：

[Problem to be Solved] To provide a lactase solution with good heat stability as desired by identifying a factor to influence heat stability in a lactase product and using the factor as an index. [Solution] Proteinase B having the following enzymatic properties, and a lactase solution containing less than 11.5 ng of the proteinase B. 1) having an optimum temperature of about 40°C, 2) having an optimum pH of about 8.0, 3) being stable at pH 5.0 to 8.0, 4) having high substrate specificity to FITC-casein and lactase, 5) having a neutral lactase-fragmenting action, and 6) having a molecular weight of about 29,700 to 30,000 (by SDS-PAGE).

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中国工程科技知识中心

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