... Number: This products accord with feed hygienic standard MAIN COMPONENT: Calcium propionate, manna oligosaccharides, beer yeast, vitamin C ... . 2. Propanoic acid play anticorrosive anti-mold action by : un-ionized propanoic acid bioactive molecule forms high pressure ... reproduction. 3. It’s heat resisting, nonvolatile, impregnability by other component, corrosive low, excitant small, fit for long term ...