泡打粉的工艺在不断的完善中。以前加进去的酸性物质是显酸性的铝盐。但是近些年,这个铝比较有争议,存在健康问题。与其信其无,不如信其有。大家不愿意去买含铝的泡打粉。生产厂家适应市场要求,把铝盐改为了显酸性的钠盐。就是市场上的无铝泡打粉。 “Most commercially available baking powders are made up of sodium bicarbonate (also known as baking soda or bicarbonate of soda) and one or more acid salts. Typical formulations (by weight) call for 30% sodium bicarbonate, 5-12% monocalcium phosphate, and 21-26% sodium aluminum sulfate. ” en.wikipedia.org/wiki/Baking_powder