Ingredient

Calcium Alginate Casing

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers use calcium alginate casings as a substitute for traditional animal-derived casings in sausages …

What is Calcium Alginate Casing?

Calcium alginate is a salt derived from alginic acid, which is a natural polysaccharide extracted from brown seaweed. It is produced by reacting alginic acid with a calcium salt, forming a gel-like substance that can be extruded into casings.

Is Calcium Alginate Casing vegan?

Calcium Alginate Casing is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Calcium Alginate Casing a major allergen?

Calcium alginate is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels.

What is Calcium Alginate Casing used for?

Manufacturers use calcium alginate casings as a substitute for traditional animal-derived casings in sausages and other processed meat products.

Is Calcium Alginate Casing safe?

Calcium alginate is authorised as a food additive in Great Britain and is listed in the Register of Food Additive Authorisations.

Why it's used

Manufacturers use calcium alginate casings as a substitute for traditional animal-derived casings in sausages and other processed meat products. The casing is edible and helps to maintain the shape and texture of the product during cooking and processing.

Health notes

Calcium alginate is authorised as a food additive in Great Britain and is listed in the Register of Food Additive Authorisations. It is generally considered safe for consumption and is not associated with adverse health effects at typical intake levels.

Allergen info

Calcium alginate is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels. It is considered a safe ingredient for individuals with common food allergies.

Foods that contain Calcium Alginate Casing

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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.