What is E1105?
E1105 is Lysozyme, a preservative. Egg-derived — halal. Used in some cheeses.
Also written as: INS 1105, E-1105, E 1105. INS is the international numbering system used outside Europe, including on labels in Asia, Australia and the Middle East.
What to do
No action needed for this additive. Check the rest of the ingredient list, and remember that meat products still need proper halal slaughter.
Frequently asked questions
Is E1105 halal?
E1105 (Lysozyme) is halal. Egg-derived — halal. Used in some cheeses.
What is E1105 made from?
Egg white.
What is E1105 used for?
E1105 is used as a preservative, typically in soft drinks, bread, cured meats, dried fruit and sauces.
What should I do if a product contains E1105?
No action needed for this additive. Check the rest of the ingredient list, and remember that meat products still need proper halal slaughter.
Related E-numbers
Last reviewed 2026-10-06. How we decide · Suggest a correction