pH regulator is divided into two categories depends on their function, to either increase or decrease the pH of food products. Alkaline agents are used to increase the pH, while ann acidulant is used to decrease a products inherent pH. They can be organic or mineral acids, bases, neutralizing agents, or buffering agents. The usage of pH regulator in foods may vary depends on the purpose of the addition. In both ready-to-drink and powder drink beverages, especially fruity drinks, a pH regulator may also be employed as a buffering agent to maintain the pH of a product.