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Pullulanase

Product Specifications
Activity

2,000 U/g
Dosage(U/kg)

50-100
Form

Powder
Package

25kg/bag

EC Molecular formula: EC 3.2.1.41

Description

This product is obtained by deep fermentation from Bacillus Licheniformis. It is widely used in manufacture of starch sugar, beer saccharification, organic acid (salt ) . monosodium glutamate and alcohol industry etc.

 

Working Mechanism

The enzyme is a kind of isoamy lase. It hydrolyzes pullulan, amy lopectin and the a-1,6--glucosidic linkages. It work with other enzymes (Glucoamy lase , Fungal Alpha- Amy lase ). It can improve the reaction speed and improve the content of glucoamy lase and maltose.

 

Properties

1. Effective temperature: 40-65 ℃. optimum60-65 ℃

2. Effective pH: 4.0-7.0, optimum 4.2-4.8

 

Specification

1. Liquid type: 1000 u/ml, 2000 u/ml

2. Unit definition: The amount of enzyme needed to liberate 1mg of reducing sugar( Calculated as glucose) from pullulan in one minute at pH4. 5,60 ℃.

3. Standard: LDZJ 03. 02-2009


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