Calcium carbonate is a compound with the chemical formula CaCO3. Calcium carbonate (INS 170(i)) is a fine, odorless, white or colorless microcrystalline powder. It provides white color to various medicines and foods. Calcium carbonate is a food additive with multiple functions. It is an acidity regulator, anti-caking agent, emulsifier, stabilizer and colorant. It is part of the category of natural additives of mineral origin and can be used as:
- E170(i)-Calcium carbonate; or
- E170(ii)-calcium bicarbonate
For the food and pharmaceutical industries, it is usually obtained from marble.
It is widely used as surface colorant, anti-desiccant, stabilizer for canned fruits and filler in pharmaceuticals.
It is a source of calcium and is included in some dietary supplements.
It also has the effect of neutralizing hyperacidity.
use
- production of lime and cement;
- Purifying iron from iron ore in a blast furnace;
- Filter media for the drilling industry;
- Added to drilling fluids to increase their density;
- paint thinner;
- Used in the production of dry powder fire extinguishers;
- Used in the production of disposable diapers;
- Production of putties, putties, adhesives and sealants;
- cod in ceramic;
- glass production;
- As an abrasive in decontamination pastes and powders;
- Use in fertilizers as a source of calcium and to stabilize soil acidity;
- As passive fire protection in hazardous environments;
- Alkali source for power plant flue gas desulfurization;
- As a filler in the production of rubber, paper, toothpaste, putty, acrylic paint, plastic (PVC, PP, PE) or school chalk;
- Used for the treatment of wastewater and industrial water (raising the pH value of the water to alkaline), softening water, that is, removing calcium, magnesium and polyvalent metals.
Category products
Main product categories using food additives:
- Plant-based foods and beverages
- Cereals and potatoes
- Noodle
- Dried products
- Dry product to be rehydrated
- bread
supervision and security
In the food industry, calcium carbonate is used as a food additive and is labeled E170 and has an INS number of 170. Used as an acidity regulator, viscosity regulator, stabilizer or colorant and approved in the EU, US, Australia and New Zealand.
