Phosphoric Acid Supplier In Chennai Phosphoric Acid Supplier Near By #Chennai #Madhavaram #Ambattur #Poonamalle #Tambaram #Tamilnadu Flavor and Tang: Food-grade phosphoric acid gives colas and other soft drinks their sour, tangy taste.Preservative: It stops mold and bacteria from growing, which helps food last longer.Processing: It is used to adjust acidity during cheese making and to help gels set in jams.