Lysozyme
Lysozyme is a food-grade antimicrobial enzyme used in selected food and beverage systems where control of susceptible Gram-positive bacteria, fermentation stability, cheese quality, wine stabilization and shelf-life design are important. This page is prepared for procurement, R&D, QA and regulatory teams that need to compare enzyme activity, source, allergen status, application fit, technical documents and export-ready supply options.
Product identity
| Product | Lysozyme |
|---|---|
| Category | Preservatives & Antimicrobials |
| Function | Preservative enzyme / antimicrobial shelf-life support / fermentation-control ingredient |
| E / INS number | E1105 / INS 1105 where permitted |
| CAS / identity | 12650-88-3 |
| Common source | Often hen egg white derived; source and allergen status must be verified by supplier documents |
| Target activity | Control of selected Gram-positive bacteria through enzymatic action on bacterial cell-wall peptidoglycan |
| Typical form | Powder, granule, enzyme preparation or liquid grade depending on product |
| Key buyer check | Confirm enzyme activity, activity method, source, egg allergen declaration, application permission, storage temperature and lot-specific COA |
Application fit
Potential use areas may include food systems where antimicrobial enzyme activity, fermentation stability or selective bacterial control are technically relevant and legally permitted.
- Cheese and dairy systems where permitted
- Wine and fermentation management applications where permitted
- Ready-to-eat or refrigerated foods requiring shelf-life review
- Sauces, dressings and culinary systems after validation
- Meat, seafood or protein systems where permitted and technically justified
- Specialty antimicrobial blends and hurdle-technology systems
- R&D projects requiring control of selected Gram-positive spoilage organisms
Technical purchasing notes
When reviewing Lysozyme, compare the supplier specification against the intended food application, microbial target, process conditions, enzyme activity, label expectations and destination-market rules. Lysozyme should not be evaluated as a broad-spectrum preservative. Its practical value is strongest where the target organisms, pH, salt level, water activity, contact time, temperature exposure and matrix composition allow enzyme activity. Industrial buyers should request activity units, test method, source information, egg allergen declaration, storage conditions and a batch-specific certificate of analysis before approval.
Antimicrobial functionality
- Cell-wall hydrolysis: Lysozyme breaks specific bonds in bacterial peptidoglycan, weakening the cell wall of susceptible organisms.
- Gram-positive relevance: performance is usually most relevant against selected Gram-positive bacteria because their peptidoglycan layer is more accessible.
- Fermentation control: can be evaluated to manage lactic acid bacteria or late fermentation activity in selected beverage and dairy applications.
- Cheese quality support: may support control of spoilage or late blowing organisms in specific cheese systems where permitted.
- Hurdle technology: can be combined with pH control, salt, refrigeration, heat treatment, packaging and other preservatives where legally and technically appropriate.
- Selective preservation: should be matched to the microbial risk profile rather than used as a general replacement for heat treatment, sanitation or full preservation systems.
Performance depends on
- Enzyme activity and activity-measurement method
- Target microorganism and contamination level
- pH, salt concentration and ionic strength
- Water activity, product moisture and solids content
- Contact time and point of addition
- Heat exposure, pasteurization or cooking step
- Protein, fat, polyphenol and stabilizer interactions
- Storage temperature, packaging and shelf-life target
Enzyme activity and dose design
Lysozyme purchasing should be based on enzyme activity, not product name alone. Different suppliers may express activity in different units or by different analytical methods. A formulation validated with one supplier’s activity basis should not be transferred directly to another grade without recalculating dosage and running application trials. For industrial use, request the activity method, activity per gram or per milliliter, acceptable activity range, storage stability and residual activity expectations after processing.
| Design factor | Industrial importance |
|---|---|
| Activity units | Defines the active enzyme strength and allows accurate supplier comparison, dose calculation and cost-in-use evaluation. |
| Activity method | Different test methods may produce different values. Buyers should compare activity only when the method is known. |
| Target organism | Lysozyme is not equally effective against all microbes. The target spoilage or fermentation organism must be identified. |
| Dose and contact time | Under-dosing may fail to control microbial growth; over-dosing may create unnecessary cost or labeling concerns. |
| Point of addition | Addition before or after heating, fermentation or filtration can change the amount of active enzyme remaining in the product. |
| Processing heat | Enzyme activity can be reduced by excessive heat. Thermal exposure should be reviewed for each process. |
| Matrix interactions | Proteins, polyphenols, stabilizers and salts can affect enzyme availability and antimicrobial performance. |
| Shelf-life verification | Challenge testing or microbial shelf-life studies may be required to confirm performance in the finished product. |
Specification parameters to evaluate
A professional Lysozyme inquiry should include measurable quality, enzyme and compliance parameters. Procurement teams should compare the technical data sheet, certificate of analysis and buyer specification before approving the material for production.
| Parameter | Why it matters |
|---|---|
| Enzyme activity | Primary quality parameter for dose calculation, supplier comparison, cost-in-use and finished product performance. |
| Activity test method | Ensures values are comparable and traceable between supplier COA, buyer testing and production validation. |
| Source material | Important for allergen declaration, dietary restrictions, customer approval, religious certification and market compliance. |
| Protein content | Supports purity assessment and helps compare enzyme preparations with carriers or stabilizers. |
| Moisture / loss on drying | Affects enzyme stability, caking risk, shelf life and storage performance. |
| pH activity range | Helps R&D determine whether the enzyme will remain active in cheese, wine, sauces or other target systems. |
| Solubility and clarity | Important for beverage, wine, brine or liquid applications where sediment, haze or slow dispersion may be unacceptable. |
| Appearance and odor | Supports sensory screening and helps detect aging, contamination, packaging damage or supplier variation. |
| Microbiological limits | Important because enzyme products may be used in foods where microbial quality and low bioburden are critical. |
| Heavy metals | Lead, arsenic, cadmium and mercury limits should match food-grade and destination-market requirements. |
| Allergen declaration | Essential for egg-derived Lysozyme and final product label review. |
| GMO, halal, kosher and vegetarian status | Often required by brand owners, retailers, importers, certification bodies and private-label customers. |
| Shelf life and storage | Defines cold-chain needs, humidity protection, activity retention and first-expired-first-out inventory control. |
Application examples
| Application area | Typical reason for evaluation | Buyer questions to confirm |
|---|---|---|
| Cheese production | Control of selected Gram-positive spoilage organisms and support for cheese quality where permitted | Is the grade allowed in the target cheese category? Does the dose affect ripening culture behavior, flavor, label declaration or allergen statement? |
| Wine and fermentation systems | Management of lactic acid bacteria and fermentation stability where permitted | Does the grade dissolve cleanly? Does it affect filtration, haze, sensory profile, allergen labeling or export-market acceptance? |
| Sauces and dressings | Selective antimicrobial support in acidic or refrigerated systems after validation | Is the product pH compatible with enzyme activity? Are proteins, gums, acids or heat treatments reducing performance? |
| Meat and seafood systems | Antimicrobial hurdle evaluation in protein-rich matrices where permitted | Does the enzyme remain active in the presence of salt, proteins, heat and packaging conditions? Is the food category permitted? |
| Prepared foods and refrigerated products | Shelf-life support as part of a broader hurdle system | Has the full system been validated by challenge testing, shelf-life testing and sensory review? |
| Specialty enzyme blends | Combination with other preservation, acidification or fermentation-control tools | Are all components permitted and compatible? Is the combined label declaration acceptable? |
Formulation and process considerations
Microbial target selection
Lysozyme should be selected only after identifying the microbial concern. It is most relevant against selected Gram-positive bacteria and should not be assumed to control molds, yeasts or Gram-negative organisms without validated evidence in the final product system.
pH and salt effects
Product pH, salt level and ionic strength can strongly influence enzyme performance. Cheese, wine, sauces and brines should be tested at actual formulation pH and process salt concentration.
Thermal exposure
Excess heat may reduce enzyme activity. If the process includes pasteurization, cooking, hot filling or retort conditions, buyers should confirm whether Lysozyme should be added before or after the thermal step.
Matrix binding
Proteins, tannins, polyphenols, stabilizers and fat-rich matrices may bind or reduce available enzyme activity. Pilot trials should use the complete recipe rather than a simplified test solution.
Challenge testing
For shelf-life claims or commercial preservation design, laboratory challenge testing and real-time storage studies are more reliable than theoretical dose calculations. Include the target organism, inoculum level, storage temperature and packaging format.
Allergen control
Egg-derived Lysozyme must be managed through supplier approval, allergen documentation, production segregation, label review and customer approval. Confirm whether the final market requires explicit egg allergen declaration.
Regulatory and labeling review
Lysozyme E1105 should be reviewed according to the destination market, food category and intended technical function. It may be regulated as a food additive, enzyme, preservative, processing aid or ingredient depending on the application and local rules. The buyer should confirm permitted food categories, maximum use levels, enzyme declaration, additive number, egg allergen labeling, carry-over rules, religious certification requirements and retailer restrictions before formula approval.
Quality and compliance documents to request
- Product specification or technical data sheet with exact identity, CAS number, E / INS number and food-grade statement
- Certificate of analysis for the offered batch or representative current lot
- Enzyme activity, activity method, protein content, moisture and pH activity information
- Source declaration, especially hen egg white or alternative source confirmation
- Egg allergen declaration and market-specific allergen statement
- Safety data sheet where applicable
- Origin statement, manufacturer statement and country-of-origin documentation
- GMO declaration, BSE/TSE statement and production-process declaration when required
- Halal, kosher, vegetarian or other certification status when required by the buyer or destination market
- Heavy-metal limits, microbiological limits and contaminant declarations
- Solubility, particle-size, carrier and formulation information when available
- Shelf-life, storage, cold-chain and activity-retention guidance
- Label draft, packaging details, pallet configuration and container loading information
- Market-specific declarations required by the destination country, importer, retailer or brand owner
Packaging, storage and logistics notes
Lysozyme is commonly supplied as a dry enzyme powder, granule or liquid preparation. Because enzyme activity can be affected by heat, humidity and storage time, packaging and logistics should protect the product from moisture uptake, temperature abuse, contamination, damaged seals and excessive storage exposure. For export shipments, buyers should confirm packaging size, liner or container type, net weight, pallet wrapping, cold-chain expectations, batch coding, label language, activity-retention period and document legalization needs before order confirmation.
Typical packing options to confirm
- Foil-lined or PE-lined bags for dry enzyme grades
- Fiber drums, cartons or sealed containers for specialty enzyme preparations
- Small packs for high-activity or laboratory-scale applications
- Liquid containers or drums for solution grades where available
- Palletized or insulated shipment options where required
- Neutral-label, customer-label or private-label options when permitted
Warehouse controls
- Store according to supplier temperature instructions
- Keep containers tightly closed when not in use
- Protect from humidity, direct sunlight and heat exposure
- Avoid strong odors, cleaning chemicals and cross-contamination
- Use first-expired-first-out inventory rotation
- Define opened-pack resealing and production-area handling procedures
- Maintain allergen segregation where egg-derived material is handled
Supplier qualification checklist
How to request this product
Send the product name, target grade, required enzyme activity, activity method if specified, intended food application, microbial target, first order quantity, annual demand, destination country, delivery term, packaging preference, expected shipment date and document requirements. If you already purchase Lysozyme, attach your current specification, certificate of analysis, label, safety data sheet, allergen statement or approved supplier document so available sourcing options can be compared accurately.
For faster review, include whether the required material is for cheese, wine, fermentation control, sauces, meat processing, seafood, prepared foods, R&D trials, private label, tender supply, distributor inventory or toll manufacturing. This helps Global Food Additives match the inquiry with the correct specification level, documentation package and logistics route.
Useful answers
What is Lysozyme used for in food manufacturing?
Lysozyme is typically evaluated for antimicrobial enzyme activity, selected Gram-positive bacteria control, cheese quality support, wine stabilization, fermentation management and shelf-life design. Exact suitability depends on grade, activity, application, process, dosage, regulation and supplier documents.
Does Lysozyme control all microorganisms?
No. Lysozyme should not be treated as a universal preservative. It is most relevant against selected Gram-positive bacteria, and performance must be validated against the actual target organism and finished product conditions.
Is Lysozyme an egg-derived ingredient?
Many commercial Lysozyme grades are derived from hen egg white. Buyers should request source information, allergen declaration and destination-market labeling guidance before approval.
Which specification details are most important?
Important details include enzyme activity, activity method, source, protein content, moisture, pH activity range, solubility, appearance, odor, heavy metals, microbiology, allergen status, GMO status, shelf life and storage requirements.
Can Lysozyme be used in cheese?
Lysozyme is commonly evaluated in selected cheese systems where permitted, especially when control of susceptible Gram-positive spoilage organisms is required. Buyers should confirm local permission, dose, cheese category, culture impact, allergen labeling and sensory effect.
Can Lysozyme be used in wine?
Lysozyme may be evaluated in wine and fermentation management where permitted, especially for control of lactic acid bacteria. Buyers should confirm solubility, sensory impact, haze or filtration behavior, allergen declaration and destination-market rules.
Does heat affect Lysozyme?
Excessive heat can reduce enzyme activity. If the process includes pasteurization, cooking, hot filling or retort conditions, the point of addition and residual activity should be validated.
Which documents should be requested?
Buyers commonly request a technical data sheet, certificate of analysis, safety data sheet, food-grade statement, activity method, origin statement, shelf-life information, storage guidance, allergen declaration, GMO declaration, halal or kosher certificate where needed, packaging details and pallet configuration.
Is this product permitted in every country?
No. Permission depends on destination-market rules, food category, intended function, enzyme status, maximum permitted level, label declaration, allergen labeling and buyer responsibility. Local regulatory verification is required before use.
Can Global Food Additives source Lysozyme?
Global Food Additives can review sourcing options for Lysozyme according to the requested activity, grade, target specification, application, quantity, destination, delivery term, packaging and documentation requirements.
What information should I include in a quotation request?
Include product name, target grade, required activity, activity method if known, application, microbial target, quantity, destination country, preferred packaging, delivery term, required documents, shipment timing and any existing COA or approved-supplier specification.
Tell us which food additive or ingredient you need.
Send product names, target specifications, quantity, destination country, packaging preference, delivery term, and document requirements. Our team will review your inquiry and respond from orders@foodgradeadditives.com.
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