Is it vegan? Additives & E-numbers E1105
Is lysozyme vegan?
Quick answer: No. Lysozyme (E1105) is an enzyme extracted from hens’ egg white, so it is not vegan.
Also called: E1105, egg lysozyme
Why it isn’t vegan
Lysozyme is an antibacterial enzyme used as a preservative, especially in some hard cheeses and in winemaking. Food-grade lysozyme is produced from hens’ eggs, as described in EFSA’s evaluation of lysozyme as a food enzyme. As an egg derivative, it must be declared as an allergen in the EU and UK.
What to look for on the label
- E1105
- lysozyme
- lysozyme (egg)
Where it’s found
- Some hard and semi-hard cheeses
- Some wines
Vegan alternatives
- Vegan cheese
- Vegan-certified wines
Frequently asked questions
Is lysozyme vegan?
No. Lysozyme (E1105) is an enzyme extracted from hens’ egg white, so it is not vegan.
Sources
- Approved additives and E numbers — Food Standards Agency (UK)
- Safety evaluation of the food enzyme lysozyme from hens’ eggs (2025) — EFSA Journal
- Regulation (EU) No 1169/2011 on food information to consumers (allergen labelling, Annex II) — EUR-Lex
Checked on 31 October 2026. Ingredients and recipes change, and the same product can differ between countries — always check the current label. This page is general information, not allergy or medical advice.