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Optimizition of Soybean Protein Extraction by Alkali Soluble Acid Sinking Method(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2014年02期
Page:
274-276,280
Research Field:
Publishing date:

Info

Title:
Optimizition of Soybean Protein Extraction by Alkali Soluble Acid Sinking Method
Author(s):
LI Shu-fen1; HU Min2
1.College of Life Science,Northeast Normal University,Changchun 130024,China;
2.College of Life Science,Daqing Normal University,Daqing 163712,China
Keywords:
Soybean protein; Alkali solution and acid; Optimization
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2014.02.0274
Abstract:
Soybean protein was extracted from soybean seed powder using alkali soluble and acid sinking method.The extracting conditions including the ratio of material to water,alkali-soluble pH,acid precipitation pH,temperature and alkali-soluble time were optimized by single-factor experiment and orthogonal test.Results showed the optimum condition were as follows: the ratio of solid material to water was 1∶10,acid precipitation pH was 4.5,alkali-soluble pH was 9.5,alkali-soluble time was 50 min and the alkali solution temperature was 45℃.In this case,the extraction rate of soybean protein reached 25.88%.

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Last Update: 2014-08-05