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The effect of limited hydrolysis with Neutrase and ultrafiltration on the anti-adipogenic activity of soy protein

Paper ID Volume ID Publish Year Pages File Format Full-Text
35027 45069 2010 6 PDF Available
Title
The effect of limited hydrolysis with Neutrase and ultrafiltration on the anti-adipogenic activity of soy protein
Abstract

Limited hydrolysis of isolated soy protein (ISP) with Neutrase for 4 h to obtain the hydrolysate (NH4h) revealed the ability to suppress glycerol-3-phosphate dehydrogenase (GPDH) activity and relative lipid accumulation (RLA) in 3T3-L1 cells during differentiation. Lower GPDH activity or RLA indicates higher anti-adipogenic activity. Sequentially fractionating NH4h with 30–1 kDa (kilo-daltons) molecular weight cut-off (MWCO) membranes to obtain the 1 kDa concentrate resulted in further enhancing its anti-adipogenic activity in the cells. The GPDH activity significantly decreased from 280 to 100 U/mg protein (p < 0.05). When comparing the high-performance size-exclusion chromatography (HPSEC) profiles, the most active peptide for the anti-adipogenic activity was primarily composed of peptides with molecular weight between 1300 and 2200 Da. The in vitro effect of gastrointestinal protease on the anti-adipogenic activity of 1 kDa concentrate was also investigated. The results suggested that gastrointestinal proteases have very little effect on anti-adipogenic activity of the concentrate. According to the Western immunoblot analysis, 1 kDa concentrate inhibits adipogenesis by affecting the expression of peroxisome proliferators-activated receptor γ (PPARγ) and the CCAAT/enhancer binding protein α (C/EBPα) during 3T3-L1 cells differentiation.

Keywords
Limited hydrolysis; Soy protein; Ultrafiltration membrane; Anti-adipogenic activity; 3T3-L1 cell
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The effect of limited hydrolysis with Neutrase and ultrafiltration on the anti-adipogenic activity of soy protein
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 45, Issue 2, February 2010, Pages 217–222
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us