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duxinghao

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2Â¥2010-04-30 16:45:11
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laobendan2

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asd123xukun  

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3Â¥2010-04-30 17:46:30
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stone1987

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sirljz(½ð±Ò+5):лл½»Á÷ 2010-04-30 22:07
1.Prepared by enzymatic hydrolysis of fish hydrolysates, according hydrolyzate concentration of free amino nitrogen in the process of curve,Compared  the enzyme hydrolysis effect of Flavourzyme, Alcalase, 1398 the neutral protease,determine flavourzyme Flavourzyme as fish scraps feed enzyme hydrolysis process.
2.Based on the determined enzyme of the enzyme of hydrolysis process,Applicate the four-factor quadratic regression orthogonal rotation experimental design, degree of hydrolysis as an index,In-depth study enzyme dosage, pH, temperature, time of hydrolysis,And creat the corresponding mathematical model of process control,By the model analysis of variance and F test,  make sure the  impact of four factors on  the degree of hydrolysis.
3.the further ridge analysis showed that the optimum conditions for enzymatic hydrolysis.
4.By orthogonal experimental design to verify the optimum conditions of hydrolysis degree,In-depth study of the enzyme dosage, pH, temperature and time on the impact of hydrolysis,Draw the following conclusions: The optimal hydrolysis pH 7.0, optimum temperature for hydrolysis of 54 ¡æ, enzyme dosage and time on hydrolysis degree of positive correlation.
4Â¥2010-04-30 18:01:11
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