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Papain is a natural enzyme product extracted from unripe papaya fruit using bioengineering technology. It possesses both protease and esterase activities with broad substrate specificity, offering strong hydrolysis capabilities towards animal and plant proteins, polypeptides, esters, and amides. It also exhibits synthetic activity, enabling the recombination of protein hydrolysates into protein-based substances. This property can be used to improve the nutritional value and functional properties of animal and plant proteins.
As a natural enzyme preparation, papain is a protein. Consuming food products containing this enzyme is as safe and beneficial to human health as eating protein-rich foods.
| Product Name | Type | Enzyme Activity | Appearance |
| Papain | Powder | 50,000 u/g to 3,000,000 u/g | Light yellow or white powder |
| Liquid | 50,000 u/ml to 800,000 u/ml | Light yellow liquid |
| Product Name: | Papain | Part Plant: | PAPAYA |
| Origin: | China | Manufacturer Date: | 2026-01-23 |
| Batch No.: | SH260123PA6 | / | / |
| ITEMS OF ANALYSIS | SPECIFICATIONS | RESULTS | |
|
Appearance Odor Activity of enzyme Loss on drying Loss on ignition Heavy metals (as Pb) Heavy metals (as As) |
White Powder Free of offensive odours ≥6,000USP U/mg ≤5.0% ≤5.0% ≤2.0mg/kg ≤2.0mg/kg |
Conform Conform 6,761USP U/mg 2.31% 1.91% <2.0mg/kg <2.0mg/kg |
|
| Microbiology | |||
|
Total Plate Count E.Coli Salmonella Yeast and Mould |
<10,000cfu/g None detected in 10g None detected in 10g NMT 100 cfu/g |
<500cfu/g Absent Absent Conform |
|
| Storage | STORED HUMIDITY PROTECTED (RH LESS THAN 60) AT TEMPERATURE BELOW 25℃ | ||
| Shelf Life | 1 Year when Properly Stored | ||
Effective pH range: 3.5–9 | Optimum pH: 5–7
Effective temperature range: 20–80°C | Optimum temperature: 55–60°C
The optimal dosage should be determined based on actual production conditions.
Storage temperature: 0–25°C. Store in a cool, dry place away from light; refrigeration is recommended to preserve enzyme activity.
Extended storage or unfavorable conditions may reduce enzyme activity to varying degrees. If stored under high temperature or humidity, the dosage should be increased appropriately during use.
| Weight | Packing Method |
| 1kg | Bag/kg, box outside (double plastic bag + aluminum foil bag inside) |
| 10kgs, 25kg or more | By drums or carton (2 layers plastic bag inside) |
| Weight | Delivery Method | Delivery Time | Destination |
| 1kg–25kgs | EMS, DHL, UPS, FedEx | 3–7 days | Door to door |
| 25kgs–100kgs | DHL, FedEx, by Air | 3–7 days | Door to door (to Airport by Air) |
| More than 100kgs | By Air | 3–7 days | Door to Airport |
| By Sea | 10–35 days | Door to port |
