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Acid protease enzyme Sunson® PRA100 L for amino nictrogen increase and ethanol yield increase
The acid protease catalyzes the hydrolysis of protein under acid condition to liberate more amino nitrogen that is more accessibe for yeast growth. Therefore, it can reduce fermentation time and improve ethanol yield, bringing economic benefits.
Product comparison reference
price:
yuan
Sample application
Product advantages
Acid protease able to liberate more amino nitrogen
Promotes yeast growth and fermentation
Increase ethanol or alcohol yield
Reduce fermentation time
Product overview
Product parameters
Package & Storage
Download PDS(TDS)
Application Area
Used in fermentation to increase amino nitrogen level, speed up yeast growth and boost fermentation
Ethanol
Brewing
Amino acid fermentation
Organic acid fermentation
Portable alcohol
Product Description
DESCRIPTION
Acid Protease PRA100L is produced by submerged fermentation of Aspergillus niger followed by purification and formulation. The enzyme catalyzes the hydrolysis of protein
under acid condition. In alcohol fermentation industry the product will
liberate more amino nitrogen and improve ethanol yield by boosting yeast’s
growth, bringing economic benefits.
MECHANISM
The acid protease is capable of breaking down
peptide bonds in proteins in raw materials, liberating short peptides and even
amino acids that are necessary for yeast’s growth. In this way ethanol yield is
increased, while making the best use of raw materials and saving cost for
supplementation of yeast nutrients.
REACTION PARAMETERS
|
PARAMETERS |
RANGE |
|
Activity
Temperature |
20℃-60℃ |
|
Optimum
Temperature |
40℃-50℃ |
|
Activity pH |
2.5-6.0 |
|
2.5-4.0 |
PRODUCT
SPECIFICATION
|
Items |
Description |
|
Declared Activity* |
100,000u/ml |
|
Physical Form |
Liquid |
|
Color** |
Brown |
|
Odour |
Normal microbial
fermentation odour. |
*Definition of Unit: 1 unit of Acid
Protease equals to the amount of enzyme, which hydrolyzes casein to get 1μg of
tyrosine at 40℃ and pH3.0 in 1 min.
** 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) |
1.05-1.20 |
|
|
2 |
pH/(25℃) |
3.5–5.5 |
|
|
3 |
Lead/(mg/kg) |
≤5.0 |
|
|
4 |
Arsenic/(mg/kg) |
≤3.0 |
|
|
5 |
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