Calcium propionate
CAS Nr.: 4075-81-4
Lub cev thiab tshuaj muaj zog
Dawb crystalline hmoov, siab tshaj 400 degree (decomposition), ntxhiab tsw los yog nrog ib tug me ntsis tsw. Nws tuaj yeem ua rau monohydrate lossis anhydrous tshuaj. Nws yog monoclinic phaj siv lead ua, soluble hauv dej (1g / 100ml), me ntsis soluble hauv methanol thiab ethanol, thiab insoluble hauv benzene thiab acetone. Tus nqi pH ntawm 10 feem pua aqueous tov yog sib npaug rau 7.4.
Toxicological hauv paus
① LD50: nas mob qhov ncauj 3340mg / kg (BW).
② ADI: tsis xav tau (FAO / leej twg, 1994).
③GRAS:FDA-21CFR 181.23,184.1221.
Daim ntawv thov
(Xam los ntawm propionic acid) kev siv cov qauv ntawm calcium propionate yog tib yam li sodium propionate.
The general code standard of food additives stipulates that the maximum dosage of food additives used in whey cheese is 3000 mg/kg. In the processing of flour products, calcium propionate is a more acidic preservative than sodium propionate. In a certain acidic range (pH ≤ 5), it has the best inhibition on mold, while the antibacterial effect decreases significantly when pH >6. Nco ntsoov tias nws yuav tsum tsis txhob siv ua ke nrog tus neeg sawv cev fluffing, uas yuav tsim cov calcium ntsev thiab txo qis cov pa roj carbon dioxide. Propionic acid feem ntau yog siv rau hauv kev sib xyaw ua khob noom cookie, thiab nws qhov ntau npaum li cas tuaj yeem hloov kho kom haum raws caij nyoog thiab lub sijhawm cia. Yuav kom ua tiav qhov zoo tshaj plaws ntxiv cov nyhuv.
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