In the realm of food science, additives play a crucial role in enhancing the quality, flavor, and shelf life of various products. Among these additives, E330, commonly known as citric acid, holds significant importance. Citric acid is a natural organic compound most notably found in citrus fruits such as lemons, limes, and oranges. This article delves into what E330 is, how it is used in the food industry, its benefits, and safety considerations.