Papain is a natural proteolytic enzyme found mainly in the stems, leaves and fruits of papaya. It appears as a fine powder, usually off-white to pale yellow. It is a proteolytic enzyme that helps break down proteins into smaller peptides or amino acids.
Papaya extract has a wide range of specificity. The enzyme is often used in the food industry as a meat tenderizer, or in beer and other beverages. Or as an active ingredient in dietary supplements and personal care products.
| Items | Specifications | Results |
| Appearance | White Powder | Conform |
| Odor | Free of offensive odors | Conform |
| Particle size | 98% pass 80 mesh | Conform |
| Activity of enzyme | ≥100,000 U/g | 102,500 U/g |
| Loss on drying | ≤5.0 % | 2.20 % |
| Loss on ignition | ≤5.0 % | 3.00 % |
| Heavy metals | <20 mg/kg | <20 mg/kg |
| Pb | <2.0 mg/kg | <2.0 mg/kg |
| As | <2.0 mg/kg | <2.0 mg/kg |
| Microbiology | ||
| Total Plate Count | <10,000 cfu/g | 680 cfu/g |
| E.Coli | None detected in 10g | Absent |
| Salmonella | None detected in 10g | Absent |
| Yeast and Mould | NMT 100 cfu/g | conform |
| Conclusion: | Comform to specification | |
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