Adipic Acid (E355)
Type of additive (Glossary) | Acidity Regulators Flavoring Agents Gelling Agents |
E Number | E355 |
Chemical Formula | C6H10O4 |
Also Known As | Hexanedioic acid |

Purpose and Function
Adipic Acid (E355) is used in the food industry primarily as an acidity regulator and stabilizer. It helps to control the pH and improve the texture of various food products. Common applications include:
- Beverages: Used to regulate acidity and enhance flavor in soft drinks and fruit-flavored drinks.
- Baking: Acts as a leavening acid in baking powders to help baked goods rise.
- Gelatin desserts and jellies: Helps maintain a firm texture and controls the gelling process.
- Confectionery: Improves the texture and stability of candies and chewing gum.
- Dairy products: Can be used to stabilize products like processed cheese.
Adipic Acid (E355) is valued for its ability to enhance flavor and stabilize textures, making it a versatile additive in food processing.
Potential Risks and Side Effects
Adipic Acid (E355) is generally considered safe for consumption when used within regulated limits, but there are some considerations:
- Digestive effects: In very high amounts, adipic acid may cause mild digestive discomfort, such as nausea or diarrhea, although this is uncommon at typical usage levels.
- Safety profile: Adipic acid is considered safe by food regulatory agencies, including the European Union and the United States Food and Drug Administration (FDA), when used within approved limits.
- Regulatory approval: It is approved for use in many countries and is widely used in food products for its acidity-regulating properties.
Overall, Adipic Acid (E355) is regarded as a safe food additive with functional benefits for regulating acidity and improving texture.