Name: Calcium propionate
Synonyms: Calcium dipropionate
Propionates prevent microbes from producing the energy they need, like benzoates do. However, unlike benzoates, propionates do not require an acidic environment.
Calcium propionate is used in bakery products as a mold inhibitor. Mold contamination is considered a serious problem amongst bakers, and conditions commonly found in baking present near-optimal conditions for mold growth.
According to the Pesticide Action Network North America, calcium propionate is slightly toxic. This rating is not uncommon for food products;vitamin C is also rated by the same standards as being slightly toxic. Calcium propionate can be used as a pesticide.
Calcium propionate has been linked to irritability, restlessness, inattention, and sleep disturbance in children. The Ecologist Online claims that it is linked to allergic reactions in bakery workers.