Process for the extraction, purification and enzymatic modification of soy 7S globulin alpha subunit for use as hypocholesterolemizing agent

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专利权人:

Marcello Duranti

发明人:

Marcello Duranti,Paolo Morazzoni

申请号：

US13013966

公开号：

US08257758B2

申请日:

2011.01.26

申请国别(地区):

US

年份:

2012

代理人:

摘要：

A purified amino-terminal polypeptide fragment of the soy β-conglycinin α′ subunit is prepared by selective extraction of defatted soy with an aqueous solution of sodium bisulfite, precipitation with ethanol, and Metal Affinity Chromatography (MAC) under denaturing conditions to obtain the α′ subunit. The α′ subunit is then enzymatically treated with chymotrypsin and subjected to further MAC to recover the amino-terminal fragment of the polypeptide (MW 28,000 Da).

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