Phosphoric acid is a triprotic khoáng chất acid được sản xuất bởi the wet process (reacting phosphate rock with sulfuric acid) or the thermal process (burning elemental phosphorus). Food-cấp độ phosphoric acid is manufactured using the high-độ tinh khiết thermal process to meet stringent chất lượng tiêu chuẩns. It is the primary chất điều chỉnh độ chua in cola-type beverages.
Nó cung cấp a distinctive sharp, tangy flavor. Phosphoric acid also serves as a pH adjuster and acidifying agent in sugar refining, dairy chế biến, and brewing. Its strong chelating properties make it effective at sequestering metal ions that can cause off-flavors and turbidity in beverages.