E219 refers to sodium methylparaben, which is a sodium salt of methylparaben. Parabens are chemical compounds used as preservatives in various products, including cosmetics and some food items.

E235 is the European food additive code for natamycin. Natamycin is a naturally occurring antifungal agent produced by the bacterium Streptomycesnatalensis. It is commonly used as a food preservative to inhibit the growth of molds and yeast in various food products.

Calcium sorbate is the calcium salt of sorbic acid. Calcium sorbate is a polyunsaturated fatty acid salt. It is a frequently used food preservative.

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.

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