Saturday, January 21, 2017

Propionic acid

E number: E 280
Chemical formula: C3H6O2.

Propionic acid is found in nature where propionic acid fermentation occurs, e.g. in Emmental cheese, in which it is present up to 1%.

According to Scientific Committee on Food (SCF), it is assumed that effects on human health due to the use of propionic acid as a food additive in the quantities currently employed are unlikely.

Propionic acid is a naturally occurring organic acid. It is miscible with water and ethanol. Its antimicrobial activity is mostly against molds, less so against bacteria. Propionic acid has practically no effect against yeasts. I(t is recommended and used up to pH 5 and only occasionally up to pH 6.

Propionic acid and its salts are used primarily in baked products to suppress bacteria causing ‘rope’ in the center of bread and the growth of mold on both bread and cakes. It also acts as a mold inhibitor in cheese foods and spreads.
Propionic acid
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