Title: Method for refining sik fibroin
Application Number: 200610049999 Application Date: 2006.03.24
Publication Number: 1821267 Publication Date: 2006.08.23
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C07K1/14,A61K38/16,A61K8/64,A23J3/00,A23J3/30
Applicant(s) Name: Zhejiang Univ. Address: 310027
Inventor(s) Name: Zhu Liangjun, Min Sijia
Attorney & Agent: tang yinyi
Abstract:
     The present invention discloses the preparation process of refined fimbrin. The technological scheme includes the following steps: mixing the material and 0.2-6 mol/L sulfuric acid solution in the weight ratio of 0.01-0.1 and hydrolysis in 60-80deg.c for 2-48 hr; neutralizing the hydrlysate with alkali solution to pH 6.8-7.2, filtering the supernatant, concentrating the filtrate, drying and grinding to obtain the refined fimbrin powder. The refined fimbrin powder is used as the precursor for deep processing in regenerated fiber, food, cosmetics, biomedicine material and other fields. The process of the present invention obtains refined fimbrin powder product of molecular weight smaller than 4 KD, and adopts non-volatile sulfuric acid resulting in stable product quality.
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