E242 is a drinks additive approved by the European Union (EU) and used as an antifungal synthetic preservative and steriliser in soft drinks products and wines.
The common name of E242 is dimethyl dicarbonate. It may also be referred to as dicarbonic acid, velcorin or DMDC.
E242 acts to inhibit enzymes in soft drinks to prevent spoilage by yeasts. It acts as an alternative preservative to sulphur dioxide in wines.
Examples of food and drink products that sometimes include E242:
- fruit drinks
- sports drinks