PURAC PF 90 is a natural L-lactic acid produced by fermentation from sugar. As a mild acid with a pH-regulating function, PURAC PF 90 is well-suited for use in the food industry. The product helps maintain optimal acidity in processed foods and beverages. As the lone legal food-grade isomer, PURAC PF 90 can also function as a natural preservative in certain applications. With over 95% (S)-enantiomer content, high purity and beneficial sensory properties, PURAC PF 90 is an excellent choice for pH adjustment and preservation in foods where a mild acidic taste is preferred.