Optimization of Conditions for Extracting Muscle Protein from Grass Carp Using Response Surface Methodology

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Abstract:

Protein is the major component of muscle tissue, in order to analyze change rule of the grass carp muscle protein during storage, the Plackett–Burman design and response surface methodology were employed to optimize its extraction conditions. The results showed that pH, SDS concentration and liquid-solid ratio were the significant factors influencing response, and the final combination of the optimized parameters was generated: pH, 8.3; liquid-solid ratio, 17:1; SDS concentration, 3.50%;beta mercaptoethanol concentration,0.3%; extraction temperature, 25 °C; extraction time, 1 h; ultrasonic time,15 min. And under these conditions, the protein extraction rate increased to 92.42%.

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Advanced Materials Research (Volumes 1004-1005)

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837-840

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August 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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