Ingredient · E402

Made With Calcium Alginate Casing

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers use calcium alginate to create edible casings for processed meats like sausages and …

What it is

Calcium alginate is a salt derived from alginic acid, which is extracted from brown seaweed. It is produced by reacting sodium alginate (another seaweed derivative) with calcium chloride. The resulting calcium alginate forms a gel that can be used to create casings.

Why it's used

Manufacturers use calcium alginate to create edible casings for processed meats like sausages and hot dogs. These casings help hold the product's shape during cooking and processing, and they are typically edible and do not need to be removed before consumption.

Health notes

Calcium alginate is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) for use as a food additive. It is considered a dietary fiber and is not known to have adverse health effects at typical consumption levels. International bodies like JECFA (Joint FAO/WHO Expert Committee on Food Additives) have evaluated alginates and their salts, and EFSA (European Food Safety Authority) has also assessed their safety.

Allergen info

Calcium alginate is derived from seaweed and is not one of the nine FDA major allergens. It does not contain gluten.

Products containing Made With Calcium Alginate Casing

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.