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Middle-temperature Alpha-amylase

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Brand: anke
型号: Middle-temperature Alpha-amylase
规格: Activity u/ml(g) 2000、3000、4000、6000
Price: Negotiable
Min.Order:
Supply
Amount:
Delivery: Shipment within 3 days since the date of payment
Address: Asia China
Valid until: Never Expire
Updated on: 2011-08-06 13:43
Hits: 335
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One.Product presentation
Middle-temperature alpha-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 gelatinous starch rapidly.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 and qanlity index
Item
Index
Item
Index
Appearance
Light-yellow powder
Brown liquid
Temperature
Below 80 degrees
Activity u/ml(g)
2000、3000、4000、6000
Best temperature
60-70 degrees
Smell
No irritative smell
Water concent
<8%
pH range
5.8-7.0
40mesh
≥80%
Best pH
6.0-6.4
Volume weight
≤1.25g/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.Using methods
1. In the process of beer brewing,this enzyme can be added after material is stirred in the mash boiler.each gram 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),after 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 controlled in 6-8 unit per gram starch,and concentration of Ca is 150 ppm.
Five.Package and storage
The package of liquid is innoxious plastic cask.The inside pack of powder is innoxious plastic bag(1kg per bag),and external pack of powder is paper box(20kg per box).
This product is active bio-substance,which is avoided strong sunshine and high temperature.It should be put on cool and dry place.
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