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papain
Papain is a proteolytic enzyme extracted from the latex of the papaya fruit (Carica papaya). It breaks down proteins into peptides and amino acids, making it widely used in various industries. Papain has excellent catalytic activity and works effectively across a broad pH range, especially in neutral to slightly alkaline conditions. It is valued for its meat tenderizing, digestive aid, and therapeutic properties.
papain
Primary Uses
- Food Industry
- Used as a meat tenderizer by breaking down tough muscle fibers.
- Employed in brewing and beverage production to clarify beer and juice.
- Added to chewing gums as a proteolytic agent to enhance texture.
- Utilized in protein hydrolysis for flavor enhancement and nutritional supplements.
- Pharmaceutical & Medical Applications
- Used in digestive enzyme supplements to aid protein digestion.
- Applied topically in wound care products for debridement of dead tissue.
- Incorporated in anti-inflammatory and anti-edema formulations.
- Used in enzyme therapy to reduce swelling and inflammation.
- Cosmetics & Personal Care
- Incorporated in exfoliating and skin care products for gentle removal of dead skin cells.
- Used in hair care formulations to improve scalp health and reduce dandruff.
Secondary Uses
- Textile Industry
- Used in the treatment of fibers and fabric processing for biopolishing.
- Leather Industry
- Applied in leather softening and dehairing processes.
- Research Applications
- Employed in biochemical studies involving protein digestion and peptide mapping.
- Agriculture
- Used as a natural pesticide and plant growth enhancer in some formulations.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Papain (EC 3.4.22.2)
- Common/Trade Name: Papain
- CAS Number: 9001-73-4
- HS Code: 3507.90.00
- Synonyms: Papaya enzyme; papaya proteinase; papaya latex enzyme
2. Physical & Chemical Properties
- Physical State: Fine, off-white to light yellow powder
- Color & Odor: Slight characteristic odor
- Solubility: Soluble in water
- pH Optimum: 6.0 – 7.0
- Enzyme Activity: Measured in units (varies by grade and purity)
- Molecular Weight: Approx. 23-25 kDa
3. Safety & Hazard Attributes
- GHS Classification: Generally regarded as non-hazardous
- Toxicity: Low toxicity; may cause allergic skin reactions in sensitive individuals
- Exposure Limits: No specific limits; standard enzyme handling precautions advised
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place below 25°C, protected from moisture and light
- Container Type: Supplied in sealed plastic or glass containers
- Shelf Life: 12–24 months if stored properly
- Handling Precautions: Avoid inhalation of dust and direct skin contact to prevent sensitization
5. Regulatory & Compliance Attributes
- Complies with food-grade enzyme standards (FCC)
- Approved for use in food, pharmaceutical, and cosmetic industries by relevant authorities
- Meets purity and activity requirements set by ISO and JECFA
6. Environmental & Health Impact
- Biodegradability: Fully biodegradable
- Ecotoxicity: Low environmental risk
- Allergenic Potential: Possible respiratory sensitizer; avoid inhalation of dust
- Safety: Non-carcinogenic and non-mutagenic
Safety Handling Precautions
- PPE Required: Use gloves, masks, and protective clothing when handling powder
- Handling Guidelines: Use in well-ventilated areas; avoid dust generation
- Storage Measures: Keep containers tightly closed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if respiratory irritation occurs
- Skin Contact: Wash with soap and water; discontinue use if irritation or allergic reaction develops
- Eye Contact: Rinse thoroughly with water for at least 15 minutes; seek medical advice if irritation persists
- Ingestion: Rinse mouth; seek medical advice if large quantities ingested
Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Use water spray, foam, or dry chemical extinguishers
- Special Precautions: Avoid inhalation of dust during fire
- Hazardous Combustion Products: May produce carbon oxides and nitrogen oxides upon burning
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