Study on the Adding Metal Ion to Increase the Activity of Enzyme Systems in Homemade Barley Malt

Abstract

Abstract: The activity of enzyme in homemade barley malt is not stronger than imports. One of the reasons is that some of metal ion in homemade barley malt bud is lower,and these ions have the function of inhibiting,and activating some of enzymes. The results of experiment showed,adding Na+,K+,Mg2+,Zn2+ and Cu2+,their concentrations 80×10-6,60×10-6,40×10-6,20×10-6,20×10-6,the activities of α-amylase,β-amylase,proteinase and cellulase reach the maximum,and the increasing extent is obvious. So,adding some metal ion can increase the activity of enzyme in processing of barley and increase its production performance.

Key words: , barley malt； metal ion； activity of enzyme；

ZHANG Chun-Ling, Zhao-Chang-Xin, Dong-Liang. Study on the Adding Metal Ion to Increase the Activity of Enzyme Systems in Homemade Barley Malt[J]. FOOD SCIENCE, 2006, 27(11): 195-199.

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Study on the Adding Metal Ion to Increase the Activity of Enzyme Systems in Homemade Barley Malt

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