Sorbic acid is an additive used as an antifungal agent and as a preservative (E200) for fruits and vegetables. Therefore, it can be found in various food products based on fruits and vegetables (yogurts, cider, etc.) as well as in light mayonnaises and margarines.

Sodium benzoate (E211) is a widely used food preservative in the food industry to extend the shelf life of products.

Benzoic acid is a commonly used food preservative, classified under the code E210.