Papain Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9001-73-4 |
| Product name | Papain |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Papain
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Papain Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Papain
| Industry | Application | Process |
|---|---|---|
| Food Industry | Meat tenderizer | Applied to the meat surface or injected into the meat, then incubated at 50–70°C to hydrolyze collagen and elastin in muscle fibers, thereby improving tenderness |
| Food Industry | Beer clarifier | Added during the late stage of beer brewing to degrade haze-causing proteins, enhancing clarity and colloidal stability |
| Food Industry | Baking improver | Incorporated into dough to hydrolyze gluten proteins, improving dough extensibility and baked volume |
| Pharmaceutical Industry | Topical anti-inflammatory and debriding agent | Formulated into ointments or dressings for application to burns, ulcers, or traumatic wounds to selectively hydrolyze proteins in necrotic tissue and promote wound healing |
| Pharmaceutical Industry | Adjunctive anti-inflammatory therapy | Administered orally to alleviate postoperative swelling, inflammation, and sports injuries (e.g., sprains, contusions) |
| Cosmetics Industry | Keratin removal and skin care | Incorporated into facial cleansers and exfoliating products to gently hydrolyze aged keratin in the stratum corneum, supporting epidermal renewal |
| Leather Industry | Depilation and fiber softening | Used during the soaking or liming stage to degrade protein structures surrounding hair follicles, facilitating depilation and softening of leather fibers |
| Detergent Industry | Protein stain remover | Added to laundry detergents or dishwashing formulations to hydrolyze protein-based soils such as blood, milk, and egg residues |
| Molecular Biology | Research enzyme for protein analysis | Employed in laboratories for limited proteolysis, peptide mapping, and antigen preparation |
Manufacturing Quality Control of Papain
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Enzyme Activity | Spectrophotometric Assay (UV-Vis) | Measures hydrolysis rate of N-benzoyl-L-arginine-p-nitroanilide (BAPNA) by monitoring p-nitroaniline release at 410 nm |
| Protein Content | Lowry Method | Quantifies protein via Cu2+ complex formation with peptide bonds and aromatic residues, followed by Folin-Ciocalteu reagent color development |
| Moisture Content | Gravimetric Analysis (Oven Drying) | Determines loss on drying at 105 C under controlled conditions until constant weight is achieved |
| Ash Content | Gravimetric Analysis (Muffle Furnace) | Measures inorganic residue after incineration at 550 C for complete organic matter combustion |
| pH | Potentiometric Titration | Uses calibrated pH electrode to measure hydrogen ion activity in aqueous suspension or solution |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Quantifies trace metal concentrations by plasma excitation and element-specific emission wavelength detection |
| Microbial Contamination (Total Aerobic Count) | Plate Count Agar Culture | Enumerates viable aerobic bacteria by colony formation on nutrient agar after incubation at 30-35 C for 48-72 h |
| Yeast and Mold Count | Sabouraud Dextrose Agar Culture | Enumerates viable yeasts and molds by colony formation on selective medium after incubation at 20-25 C for 5-7 days |
| Residual Solvents (e.g., Ethanol, Acetone) | Gas Chromatography (GC-FID) | Separates and quantifies volatile solvents using capillary column and flame ionization detection |
| Particle Size Distribution | Laser Diffraction | Determines size distribution by analyzing angular variation in laser light scattering from dispersed particles |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light caused by chiral molecules in solution at specified concentration and path length |
| Residual Protease Inhibitors | Activity Inhibition Assay | Evaluates inhibitor presence by measuring reduction in papain activity against standardized substrate under controlled conditions |
Technical Specifications of Papain
| Test Item | Specification |
|---|---|
| Appearance | Off-white to light brown powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=1.0% |
| Odor | Characteristic mild enzymatic odor |
| Solubility | Freely soluble in water; insoluble in acetone and ethanol |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Papain
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Papain
Industrial Papain Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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