Sour taste agent is a food additive that can give food sour taste and control microbial growth. It is a kind of acidity regulating agent. Acid agent food in the main seasonings, appetite, promote digestion and absorption of the role. Besides adjusting sour taste, it also has the functions of increasing acidity, improving food flavor, inhibiting fungus (anticorrosion), preventing Browning, buffering and chelating.
