Proline Specific Endoprotease
Proline Specific Endoprotease is a food-grade protease fermented by Aspergillus niger, a highly specific protease that cleaves only from the hydroxyl end of proline. The polypeptide can effectively prevent the formation of cold turbidity of liquid beverages such as beer and juice, thereby improving the non-biological stability of the beer enzyme.
Proline Specific Endoprotease
Product Features
Cold turbidity in beer and liquid plant beverages is mainly due to the combination of proline in the protein and polyphenols to form a polymer.
Proline Specific Endoprotease break down sensitive peptides in regions where hydrogen bonding occurs, preventing this interaction from occurring. Due to the specificity of the enzyme preparation, no other hydrolysis will occur and no other parameters will be affected.
Enable method
Applied to beer production: Adding this enzyme can improve the abiotic stability of the rescue and reduce the cold turbidity, which is used to replace the traditional diatom and PVPP without affecting the beer foam.
Clarification applied to vegetable drinks such as juice: adding this enzyme can improve its abiotic stability and reduce cold turbidity.
Beer clarification experiment
Physical and chemical properties
Packaging and storage
Solid food packaging bag, 25 kg / barrel.
This product is very sensitive to temperature, light and humidity. It should avoid exposure, high temperature, humidity, keep clean, cool, dry and cryogenic storage during transportation and storage.
PRODUCT SPECIFICATION SHEET
| Product Name |
Protease |
| Other Name |
Proline Specific Endoprotease |
| Source |
Aspergillus niger |
| Country of Origin |
China |
| Package |
5 kg/bucket |
| PROTOCOL |
SPECIFICATIONS |
| PHYSICAL & CHEMICAL ANALYSIS |
| Description |
Light yellow to dark brown liquid. |
| Odor & Taste |
Characteristic odor and taste |
| Moisture |
NMT 7% |
| IDENTIFICATION |
| Identifiable Activity |
Positive for Protease Activity |
| ACTIVITY |
| Protease activity |
NLT 5.0 PPU/g |
| MICROBIOLOGICAL |
| Total Bacteria Count |
NMT 100 CFU/mL |
| Coliform Bacteria |
NMT 15 CFU/mL |
| E. coli |
Absent |
| Salmonella |
Absent |
| Staphylococcus aureus |
Absent |
| HEAVY METALS |
| Lead |
NMT 3 ppm |
| Mercury |
NMT 0.1 ppm |
| Cadmium |
NMT 1 ppm |
| Arsenic |
NMT 1 ppm |
| Storage |
Store in cool and dry place protected from light, keep barrel close when not in use. |
| Handling Precautions |
May cause respiratory tract, eye, and skin irritation. Mild skin irritation may develop causing itching and redness. For detailed information please refer to the MSDS. |
| Shelf Life |
Shelf life under prescribed storage conditions and air-tight packing will be 18 months. |
| *The above information is a direct translation of the information provided by Newgen Biotech, the manufacturer of this product. This Certificate of Analysis should be used for informational purposes and is not intended as a substitute for strict quality control analysis by the purchaser of this product. |
Packaging and storage
Solid food packaging bag, 25 kg / barrel.
Store in dry, cool and well ventilated places away from the sun, heat.
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