any substance not normally consumed as a food in itself and not normally used as a characteristic ingredient of food, whether or not it has nutritive value, the intentional addition of which to food f, substance added to foods during processing to improve color, texture, flavor, nutritional value or keeping qualities; examples are antioxidants, emulsifiers, thickeners, preservatives, colorants, and , looduslik või sünteetiline aine, mida käitlemisel lisatakse toidule selle omaduste mõjutamiseks