Comparing E170I - Calcium carbonate vs E282 - calcium propionate
Overview
Synonyms
Products
Found in 1,512 products
Found in 8,051 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 4 keywords in U.S. during the last 10 years.
Interest over time for 5 keywords in U.S. during the last 10 years.
Popular questions
What is chalk made of?
Traditional chalk is mostly calcium carbonate (CaCO3), a naturally occurring mineral; some modern blackboard “chalk” sticks may instead use calcium sulfate (gypsum).
What is chalk paint?
It’s a matte decorative paint that uses calcium carbonate as a white pigment/filler to create a chalky, velvety finish with good coverage and adhesion.
How to make chalk paint?
Stir calcium carbonate powder into a little water to make a slurry, then mix it into latex/acrylic paint—about 2–3 tablespoons calcium carbonate per 1 cup of paint—adjusting to reach the desired texture and coverage.
Can you eat chalk?
Food‑grade calcium carbonate (E170i) used in foods and supplements is considered safe at permitted levels, but eating non‑food‑grade chalk sticks isn’t advised and excessive intake can cause constipation or high‑calcium effects.
What is calcium carbonate used for?
In foods, E170i is used mainly as a white colorant and stabilizer and as a source of calcium; beyond food, it’s common in antacids and as a filler/pigment in tablets, paints, paper, and plastics.
Is calcium propionate bad for you?
No—at permitted food levels, calcium propionate (E282) is considered safe by regulators (FDA GRAS; EU-approved) and is rapidly metabolized. A small number of people may be sensitive, but evidence of harm at typical dietary exposures is limited.
What is calcium propionate made from?
It’s the calcium salt of propionic acid, usually produced by neutralizing propionic acid with calcium hydroxide or calcium carbonate. The propionic acid can come from petrochemical synthesis or fermentation by Propionibacterium.
Is calcium propionate banned in europe?
No—E282 is authorized in the EU as a preservative in specified foods under Regulation (EC) No 1333/2008, with set maximum levels. It is not permitted in foods for infants and young children.
What is calcium propionate used for?
It’s a preservative that inhibits molds and some bacteria to extend shelf life. In baking, it helps prevent mold and “rope” spoilage in bread and similar products.
What is calcium propionate used in?
Commonly in bread, rolls, tortillas, cakes, and other baked goods; it’s also permitted in some processed cheeses depending on the jurisdiction. Specific uses and limits vary by country and product category.