Study on Separation of 11S and 7S Fractions from Soy Protein by Different Techniques

Jing Xu; Xiang Ting Zhang; Qing Shan Zhao; Xiao Song Zhang

doi:10.4028/www.scientific.net/AMR.881-883.806

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 881-883Study on Separation of 11S and 7S Fractions from...

Study on Separation of 11S and 7S Fractions from Soy Protein by Different Techniques

Abstract:

This experiment material was the Northeast Agriculture-42 soybean, the conditions for extraction and separation of 11S and 7S fractions from soy protein were optimized. The factors affecting extraction effect,including extraction solution, extraction time, kinds and dosages of sediment, and the pH conditions were improved, and optimization of separation method of 7S and 11S in soy protein with orthogonal test. This results shown that: 11S globulin in extraction time 120 min, CaCl₂ precipitation agent concentration 30 mmol / L, acid sinking pH 6.2, and yield was 81.3 %; 7S globulin in extraction time 90 min, CaCl₂ precipitation agent concentration 10 mmol/L , acid sinking pH 6.2, and yield was 86.9 %.This research was the actual production of 7S and 11S in soy protein provides theory basis.

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Periodical:

Advanced Materials Research (Volumes 881-883)

Pages:

806-810

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.881-883.806

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Online since:

January 2014

Authors:

Jing Xu*, Xiang Ting Zhang, Qing Shan Zhao, Xiao Song Zhang

Keywords:

11S Globulin, 7S Globulin, Separation, Soy Protein

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