Ingredient · E509

To Maintain Firmness

Source
Not animal-derived
Allergen
No
Role in food
Calcium chloride is used to help maintain the firmness of canned fruits and vegetables, …

What is To Maintain Firmness?

Calcium chloride is a salt that occurs naturally as the mineralंमध्ये (sylvite). It is produced industrially by reacting calcium carbonate with hydrochloric acid. It appears as white crystalline solids.

Is To Maintain Firmness vegan?

To Maintain Firmness is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is To Maintain Firmness gluten-free?

It does not contain gluten.

Is To Maintain Firmness a major allergen?

Calcium chloride is not derived from any of the nine major allergens recognized by the FDA.

What is To Maintain Firmness used for?

Calcium chloride is used to help maintain the firmness of canned fruits and vegetables, and to prevent the separation of tomato products.

Is To Maintain Firmness safe?

Calcium chloride is generally recognized as safe (GRAS) by the FDA for use in food.

Why it's used

Calcium chloride is used to help maintain the firmness of canned fruits and vegetables, and to prevent the separation of tomato products. It can also be used in cheesemaking and brewing.

Health notes

Calcium chloride is generally recognized as safe (GRAS) by the FDA for use in food. It is a source of calcium and chloride, which are essential nutrients. JECFA has evaluated calcium chloride and established an acceptable daily intake.

Allergen info

Calcium chloride is not derived from any of the nine major allergens recognized by the FDA. It does not contain gluten.

Foods that contain To Maintain Firmness

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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.