High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Acidity regulators, or pH control agents, are food additives added to change or maintain pH (acidity or basicity). They can be organic or mineral acids, bases, neutralizing agents, or buffering agents. Acidity regulators are indicated by their E-number, such as E260 (acetic acid), or simply listed as "food acid".Commonly used acidity regulators are citric, acetic and lactic acids. A defoamer or an anti-foaming agent is a chemical additive that reduces and hinders the formation of foam in industrial process liquids. The terms anti-foam agent and defoamer are often used interchangeably. A defoamer is normally used in industrial processes to increase speed and reduce other problems. It addresses both problems with surface foam and entrained or entrapped air. A wide variety of chemical formulas are available to promote coalescence of foam.

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