Papain enzyme powder is derived from the roots, stems, leaves and fruits of papaya.Papain CAS 9001-73-4,It is characterized by high enzyme activity, good thermal stability, natural hygiene and safety, etc.Papain enzyme is a proteolytic enzyme with a molecular weight of 23406, composed of a single peptide chain, containing 212 amino acid residues.
Papain enzyme is a protease that can decompose protein in acidic, neutral and alkaline environments. Its appearance is white to light yellow powder, slightly hygroscopic.
| ITEMS OF ANALYSIS | SPECIFICATIONS | RESULTS |
| Appearance | White Powder | Conform |
| Odor | Free of offensive odours | Conform |
| Mesh | 98% pass 80mesh | Conform |
| Activity of enzyme | ≥100,000U/g | 105,000U/g |
| Loss on drying | ≤5.0% | 2.52% |
| Loss on ignition | ≤5.0% | 3.01% |
| Heavy metals | <20mg/kg | <20mg/kg |
| Pb | <2.0mg/kg | <2.0mg/kg |
| As | <2.0mg/kg | <2.0mg/kg |
| Microbiology | ||
| Total Plate Count | <10,000cfu/g | 1,680 cfu/g |
| E.Coli | None detected in 10g | Absent |
| Salmonella | None detected in 10g | Absent |
| Yeast and Mould | NMT 100 cfu/g | conform |
| Storage | STORED HUMIDITY PROTECTED(RH LESS THAN 60) AT TEMPERATURE BELOW 25℃ | |
| Shelf Life | 2 Year when Properly Stored | |