Beyond soft drinks, phosphoric acid is also utilized in a variety of processed foods. It can be found in items such as salad dressings, marinades, and sauces, where it helps adjust pH levels and improve flavor. For instance, the acid can enhance the taste of vinaigrettes by providing a sharpness that complements the oil component. In addition, the stabilizing effects of phosphoric acid can help maintain the consistency and quality of these condiments over time.
phosphoric acid in food industry

The safety of E551 as a food additive has been thoroughly assessed by regulatory authorities worldwide. The European Food Safety Authority (EFSA) and the U.S. Food and Drug Administration (FDA) have both classified E551 as safe for consumption within specified limits. Moreover, studies have shown that, when consumed in moderation, E551 does not pose any health risks to consumers. This regulatory backing bolsters the confidence of manufacturers in using this agent to enhance their products.