Nitrite can inhibit Clostridium botulinum

Benzoic acid and its salts, sorbic acid and its salts etc. is undissociated molecules from the antibacterial effect. Calcium lactate to be converted into the corresponding acid after the effective , so that the acid preservatives . They acidic conditions to mold , yeast and bacteria have antibacterial activity of some commonly used in juice, beverage , canned food, sauce , vinegar, food preservative . In addition , propionic acid and its salts generated on the inhibition of the bread filamentous bacterium Serratia particularly effective , and safe , in recent years has been widely used in breads, pastries and other corrosion . Including sulfur dioxide , buffered lactic acid and nitrite . Nitrite can inhibit Clostridium botulinum , to prevent botulism , but it is mainly used as a coloring agent . Sulfite inhibit microbial activity of certain enzymes required , and having an acid preservative properties, but mainly used as a bleaching agent .