Ingredient · E1105

Lysozyme

Source
Animal-derived
Allergen
No
Role in food
Lysozyme is added to foods for its preservative qualities, helping to inhibit the growth …

What is Lysozyme?

Lysozyme is an enzyme that acts as a natural antimicrobial agent. It is typically derived from egg white (hen's egg) or sometimes from milk. It is extracted and purified for use in food production.

Is Lysozyme vegan?

No. Lysozyme is animal-derived, so it is not vegan.

Is Lysozyme a major allergen?

Lysozyme derived from egg white is derived from eggs, which is one of the 14 major allergens that must be declared on UK food labels.

What is Lysozyme used for?

Lysozyme is added to foods for its preservative qualities, helping to inhibit the growth of certain bacteria, particularly in cheese and baked goods.

Is Lysozyme safe?

Lysozyme is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations.

Why it's used

Lysozyme is added to foods for its preservative qualities, helping to inhibit the growth of certain bacteria, particularly in cheese and baked goods. It can also contribute to texture and shelf-life extension in products like pasta and salad dressings.

Health notes

Lysozyme is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations. European food safety authorities (EFSA) have evaluated lysozyme, and JECFA has also evaluated it and set an acceptable daily intake. At typical levels found in food, it is not associated with adverse health effects. There are no widespread controversies regarding its use.

Regulatory status

Authorised in Great Britain (FSA register): England, Scotland, Wales. FSA register of authorised products

Permitted uses in the EU

Lysozyme · legislation: 2024/374

Food categoryMaximum level
1.7.2 ripened cheeseNo numerical limit listed
1.7.6 cheese products (excluding products falling in category 16)No numerical limit listed
14.2.1 beer and malt beveragesNo numerical limit listed
14.2.4 Fruit wine and made wineNo numerical limit listed
14.2.8 Other alcoholic beverages including mixtures of alcoholic beverages with non-alcoholic beverages and other alcoholic beverages based on distilled alcohol with alcoholic strength by volume less than 15 %No numerical limit listed

Maximum levels are shown as published (mg/kg or mg/l, depending on the food). Some entries carry extra conditions and group authorisations are not listed here, so check the full entry before relying on a figure.

Sources: Food Standards Agency (OGL v3); European Commission, Food Additives Database.

Allergen info

Lysozyme derived from egg white is derived from eggs, which is one of the 14 major allergens that must be declared on UK food labels. If derived from milk, it is also derived from milk, another major allergen.

Foods that contain Lysozyme

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.