The agents consist of a CO2 generating source, usually sodium bicarbonate, and an acid constituent such as tartaric, citric or adipic acid or their sodium or calcium salts, disodium hydrogen phosphate or aluminum sulfate.

• 通常该发酵剂中含有产生co2的物质,一般是碳酸氢钠或一种酸,如酒石酸、柠檬酸或脂肪酸或它们的钠盐或钙盐,磷酸二氢钠或硫酸铝。