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http://dx.doi.org/10.12925/jkocs.2016.33.1.176

Optimization of enzymatic hydrolysis of legs proteins of black body fowl(Ogae) to produce peptides using a commercial protease  

Choi, So Young (Department of Food and Biotechnology, Joongbu University)
Kim, A-Yeon (Department of Food and Biotechnology, Joongbu University)
Yoo, Sun Kyun (Department of Food and Biotechnology, Joongbu University)
Publication Information
Journal of the Korean Applied Science and Technology / v.33, no.1, 2016 , pp. 176-185 More about this Journal
Abstract
Yeonsan Ogae has been known as supporting health and high efficacy of treatment. In recent days, as the efficacy of functional peptides has known, the optimization of oligo peptides production and its characteristics from Ogae legs has been performed. Response surface method was used to perform the optimizaion of enzyme hydrolysis. The range of processes was temperature ( 40, 50 and $60^{\circ}C$), pH( pH 6.0, 7.0 and 8.0 ), and enzyme( 1, 2 and 3% ). The degree of hydrolysis, amino acids, molecular weight of products were analyzed. The optimum process of enzyme hydrolysis were determined as temperature $58^{\circ}C$, pH 7.5, and enzyme concentration 3%. At optimum conditions, the degree of hydrolysis after 2 h reaction was 75-80%. The amino acid and were 168.131 mg/100 g, respectively. The molecular weight of products by using MALDI-TOF was ranged from 300 to 1,000 Da.
Keywords
Yeonsan Ogae; Peptide; Enzyme hydrolysis; Optimization;
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