FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (16 ): 149-152.doi: 10.7506/spkx1002-6630-200916029

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Application of Microwave Technology in Protein Extraction from Swim Bladder of Silver Carp

DUAN Zhen-hua1,2,SUN Xiao-ling1,WANG Ju-lan2   

  1. 1. College of Food Science and Technology, Hainan University, Haikou 570228, China;
    2. Key Laboratory of Tropic Biological Resources of Ministry of Education, Hainan University, Haikou 570228, China
  • Received:2009-04-10 Online:2009-08-15 Published:2010-12-29
  • Contact: DUAN Zhen-hua E-mail:dzh65@126.com

Abstract:

The microwave extraction of protein from swim bladders of silver carps was investigated. Four crucial extraction parameters were optimized to attain the highest extraction yield of protein by single-factor and orthogonal array designs. The optimal conditions for attain the maximum extraction yield of 22.79% were determined as follows: with the ratio of material to liquid (water) of 1:30, extraction at 300 W for 2.5 min. This study will provide a practical reference for the application of  microwave extraction in the preparation of protein from swim bladders.

Key words: swim bladder, microwave technology, extraction yield, protein, Coomassie brilliant blue

CLC Number: