Comparing E281 - Sodium propionate vs E282 - calcium propionate
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Popular questions
Is sodium propionate bad for you?
Generally no: it’s a permitted preservative (GRAS in the U.S.; approved in the EU) with low toxicity at typical food levels. High amounts may cause stomach upset and add sodium, and people with the rare disorder propionic acidemia may need to limit it.
"what is the ph of a 0.26 m solution of sodium propionate"?
About pH 9.1 at 25°C (it’s the salt of a weak acid, so its solution is mildly basic).
5. sodium acetate and sodium propionate are poor soaps. why?
Because they’re salts of very short‑chain fatty acids (C2 and C3), they’re too water‑soluble to act as effective surfactants and don’t form stable micelles, so they clean and foam poorly.
How do sodium benzoate and sodium propionate keep yeast and fungus from growing?
They act as weak‑acid preservatives: in acidic foods the undissociated acid enters cells, acidifies the cytoplasm, and disrupts energy metabolism and enzyme function, inhibiting yeasts and molds. Benzoate works best below about pH 4.5; propionate is especially effective against molds in baked goods at mildly acidic pH.
How much sodium propionate in baking?
Typically about 0.1–0.3% of flour weight (≈1–3 g per kg flour) under good manufacturing practice to inhibit mold; higher levels can affect yeast activity and flavor. Check local regulations for permitted maxima.
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.