Calcium propionate is white crystalline or white crystalline powder or granules, odorless or slightly propionic acid odor. As a food additive calcium propionate is a water salt, water and heat stability, moisture absorption, soluble in water, 39.9g/l00ml (20 ℃), insoluble in ethanol, ether class. By adding the same amount of dilute sulfuric acid in 10% calcium propionate aqueous solution, the special odor of propionic acid can be released by heating. Calcium propionate is alkaline and the ph value of 10% aqueous solution is $number.
The corrosion resistance of calcium propionate is the same as that of sodium propionate, and it plays an effective role in the formation of propionic acid in acidic medium. Calcium propionate inhibits the effective dosage of mold less than sodium propionate, but it can reduce the role of chemical bulking agent, it is commonly used sodium propionate, however, the advantage is that the use of calcium propionate in pastry, bread and cheese can supplement the calcium in the food puppets. Calcium propionate can inhibit the reproduction of Bacillus subtilis when the dough is fermented, the minimum inhibitory mass fraction is 0.188% when ph is 5.0, the 0.01%,PH value is 5.8, and the optimum ph value should be lower than 5.5.
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