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Sodium PropionateSpecification FCC E281,HG2922-1999,FeedSodium propionate has the formula C3H5NaO2,It is the sodium salt of propionic acid.Uses[1] As a food additive, it is listed as E number 281 in the Codex Alimentarius. sodium propionate is used as a preservative in a wide variety of products, including but not limited to bread, other baked goods, processed meat, whey, and other dairy products. [2] In agriculture, it is used, amongst other things, to prevent milk fever in cows and as a feed supplement.[3] Propionates prevent microbes from producing the energy they need, like benzoates do. However, unlike benzoates, propionates do not require an acidic environment.[4] sodium propionate is used in bakery products as a mold inhibitor, typically at 0.1-0.4%.
Sodium Propionate