What is E1105?
An enzyme preparation, commonly derived from egg white, used for specified antimicrobial or preservative functions in some foods. Goodnessly rates E1105 Safe, while food-category permissions and regulator conditions still apply.
An enzyme preparation, commonly derived from egg white, used for specified antimicrobial or preservative functions in some foods. Check the food category, amount and full formulation rather than judging one ingredient in isolation.
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Read the FAQ →
What is Lysozyme?
Lysozyme is An enzyme preparation, commonly derived from egg white, used for specified antimicrobial or preservative functions in some foods. Its function depends on the formulation and the conditions attached to the permitted use.
What's it used for?
- Supporting a specified antimicrobial function
- Helping protect certain foods during processing
- Serving a defined preservative purpose
- Appearing where the food category and source requirements permit it
Where you'll find E1105 on the shelf
You may see E1105 in packaged foods where its technical function is useful and the food category permits it.
Is E1105 permitted? What the regulators say
Lysozyme is listed in the checked AU/NZ and EU frameworks with conditions. Permission is conditional: category, level, identity and specifications matter.
| Region | Status | What this means |
|---|---|---|
| AU/NZ Australia & New Zealand (FSANZ) | Permitted with conditions | FSANZ lists 1105 for specified food uses in the Food Standards Code. [FSANZ source] |
| EU European Union (EUR-Lex) | Authorised with conditions | The consolidated Union list includes E1105 for specified categories and conditions. [EUR-Lex source] |
| US United States (FDA) | Permitted with conditions | FDA GRAS Notice 64 covers egg white lysozyme for specified antimicrobial uses, and FDA has no questions on that notice. [FDA source] |
Goodnessly rates E1105 Safe within its rating system. The rating does not remove the need to consider the product category, amount or full formulation.
- EFSA published use-specific lysozyme safety opinions in 2023 and 2025. The current EU rules, FSANZ schedules and FDA GRAS Notice 64 were checked; source and allergen labelling remain important.
- The checked EFSA opinions on lysozyme from hens’ eggs are use-specific safety evaluations rather than a new numerical ADI. They concluded no safety concern under the intended conditions assessed and highlighted the relevance of egg allergy and source labelling. People with egg allergy should follow medical advice and the label.
- Regulatory permissions can change; confirm the primary source when a product, recipe or use is unusual.
This section is checked periodically rather than continuously — confirm the current primary source before relying on a regulatory detail.
Who might want to limit or avoid it
- People comparing additive functions across products
- People checking the frequency of this ingredient in their usual foods
- People who want to consider the whole formulation and serving pattern
Goodnessly rates E1105 Safe as a practical prompt to understand the ingredient, the product and the overall formulation.
How to spot it on a label
Look for:
- Lysozyme
- 1105
- E1105
- Egg white lysozyme
- Additive class (1105)
Ingredient labels may use the name, the number, or the additive class followed by the number.
Related additives
Frequently asked questions
What is E1105?
E1105 is Lysozyme, An enzyme preparation, commonly derived from egg white, used for specified antimicrobial or preservative functions in some foods.
Is E1105 permitted?
E1105 is listed with conditions in Australia/New Zealand and the EU. FDA lists it for specified food uses.
What should I know about lysozyme?
The checked EFSA opinions on lysozyme from hens’ eggs are use-specific safety evaluations rather than a new numerical ADI. They concluded no safety concern under the intended conditions assessed and highlighted the relevance of egg allergy and source labelling. People with egg allergy should follow medical advice and the label.
How does Goodnessly rate E1105?
Goodnessly rates E1105 (Lysozyme) as Safe within its rating system.
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