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Brewing glucoamylase with pullulanase for low-cal beer
The product contains mainly glucoamylase and supplementary pullulanase. The combination makes saccharification more efficient by avoiding limit dextrin and by-product formation, and therefore converts starch into fermentable sugar to the largest extend.
Product comparison reference
price:
yuan
Sample application
Product advantages
Combination of glucoamylase and pullulanase
More efficient saccharification
Maximal wort fermentability
Suitable for low-cal beer brewing
Product overview
Product parameters
Package & Storage
Download PDS(TDS)
Application Area
For low-cal beer brewing
Brewing
Product Description
DESCRIPTION
The product is produced by mixing carefully optimized
proportion of glucoamylase and pullulanase produced separately from safe
microbial strains by submerged fermentation, separation and purification. The combination of glucoamylase with
supplementary pullulanase makes saccharification more efficient by avoiding
limit dextrin and by-product formation, and therefore saving processing cost
while producing more glucose.
MECHANISM
Pullulanase is a type of isoamylase which can
selectively hydrolyze α-1,6-glucosidic linkage in pullulan, starch and oligosaccharides,
thereby, making the complete hydrolysis of branched starch possible. When used
together with glucoamylase, it speeds up saccharification by degrading α-1,6-glucosidic linkage and increases glucose yield.
REACTION PARAMETERS
|
PARAMETERS |
RANGE |
|
Activity
Temperature |
30℃-65℃ |
|
Optimum
Temperature |
58℃-62℃ |
|
Activity pH |
3.5-6.0 |
|
3.8-5.0 |
PRODUCT
SPECIFICATION
|
Items |
Description |
|
Physical Form |
Liquid |
|
Color** |
Brown |
|
Odour |
Normal microbial
fermentation odour. |
** Color: Color can
vary from batch to batch. Color intensity is not an indication of enzyme
activity.
PRODUCT STANDARD
The product complies with GB1886.174.
|
No. |
ITEMS |
INDEX |
|
|
1 |
Bulk
density/(g/ml) |
≤1.25 |
|
|
2 |
pH/(25℃) |
3.0~5.0 |
|
|
3 |
Lead/(mg/kg) |
≤5.0 |
|
|
4 |
Arsenic/(mg/kg) |
≤3.0 |
|
|
5 |
Total viable
count/(CFU/mL) |
≤50000
| |
