Middle-temperature-amylase

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Middle-temperature-amylase One.Product presentation Middle-temperature-amylase is extracted from fermented deeply Bacillus subtilis.It can hydrolyze starch and hepatin,dissolve internal Alpha-1,4 glucose glycosidic linkage,produce short-chain dextrine and oligosaccharide to reduce viscosity of gelatineous starch rapidly,that is liquefication.so,it is named as liquefiable enzyme.This enzyme can be used in beer brewing,alcohol production,monosodium glutamate, starch sugar,feed,liquefication of fermentation business,fiber,printing and dyeing,etc. Two.Product specification 30000 u/ml,50000u/ml. Three.Define of enzyme activity In the condition of 70 centi grade,PH6.0,the amount of this enzyme it needs which dissolved starch become dextrine in one minute.This is an enzyme activity. Four.Product character 1. Brown and no-viscous liquid,no bad smell,easy to dissolve in water. 2. Heat stability:it is stable in 60 centi grade.The best temperature is 60-70 centi grade.It is suitable for the process of 90 centi grade liquefication. 3. PH stability:It is stable in PH6.0-7.0,and the best PH is 6.0.enzyme activity will seriously lose activity when PH is below 5.0. 4. Ca can increase the stability of enzyme activity.If there is no Ca,enzyme activity will completely lose. Five.Using methods 1. In the process of beer brewing,this enzyme can be added after material is stired in the mash boiler.each material can need 6 unit enzyme The material can be liquefied about 30 mins in 85-90 centi grade. 2. In the process of sugar and monosodium glutamate,this kind of starch enzyme can be added to starch slurry(6-8 unit per gram material),and they are sufficiently mixed,you can heat them to 85-90 centi grade and liquefy them about 30 mins. 3. In the process of textiles desizing,it can be used in desizing of no resisting high-temperature silk,chemical fiber,linsey-woolsey.The addition of this enzyme is 0.2 percent(30000u/ml),and it should be kept 20-40 mins after the temperature is increased to 50-80 centi grade. 4. In other industries,the addition of enzyme can be controled in 6-8 unit per gram starch,and concentration of Ca is 150 ppm. Six.Package and storage The package is plastic barrel,and the capacity of every barrel is 25 kg. This product is active bio-substance,which is avoided strong sunshine and high temperature.It should be put on cool and dry place.If so,it can be well kept six months.

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Anke bioengineering Co.,Ltd.Shandong

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