The current specifications for calcium propionate (E 282) set a maximum fluoride level of 10 mg/kg which creates difficulties for the supply of raw materials and the production of that additive. Calcium propionate (E 282) is obtained from calcium oxide (E 529) for which a maximum fluoride level of 50 mg/kg is set. In order to produce calcium propionate complying with the currently established maximum fluoride level, manufacturers need to use calcium oxide with maximum fluoride levels of 33 mg/kg, which is below the currently authorised maximum level.
Preservatives are of various types that are suited to certain products and are effective against specific chemical changes. Antimycotics inhibit the growth of molds in products such as fruit juice, cheese, bread, and dried fruit; examples are sodium and calcium propionate and sorbic acid.
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