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Keratinase: High activity enzyme to digest keratin.
Applications: include: Agriculture, Textiles, Food Processing, Biofuels, Cosmetics, Skin care.
Properties: Unlock cleaner, faster, and more sustainable protein processing with our industrial & food-grade keratinase - a high-performance enzyme designed to efficiently break down tough keratin structures in feathers, hair, and other resilient protein materials. Ideal for animal by-product valorisation, feed and pet food ingredient upgrading, collagen/peptide production, and protein hydrolysate applications, this keratinase delivers rapid hydrolysis under practical processing conditions, helping reduce harsh chemicals, shorten processing times, and improve yield of soluble proteins and amino acids. Produced under strict quality standards with consistent activity and reliable batch-to-batch performance, it’s a cost-effective solution for manufacturers looking to boost functionality, digestibility, and sustainability - turning difficult waste streams into high-value, market-ready ingredients.
Reaction:
Keratin + H2O → Keratin Peptides and Amino Acids
- Certification: Food grade, ISO 22000
- Activity: 500,000 U per g *
- Format: White powder
- Temperature Range: 30–70°C
- Optimal Temperature: 45–55°C
- pH Range: 6.0–12.0
- Optimal pH: 9.5–11.0
- Typical Dosage: 0.1–1% w/v
- Storage: 12 months
* Where 1 unit of activity is the amount of enzyme required to release 1 μmol of tyrosine-equivalent molecules per minute under defined conditions

Supporting technical guides
Keratin and protein valorisation
Keratinase for Feather Hydrolysis: Preparation and Process Checks
Plan keratinase trials for feathers and other keratin-rich residues. Assess preparation, soluble protein recovery and residual solids before scale-up.
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Enzyme science · Deep dive
Keratinase: structure, mechanism and industrial uses
Keratin breakdown can support feather-waste valorisation, peptide recovery and development of enzymatic dehairing processes.
Read technical guide