nutrient or dietary substance addition process A food is 'enriched' when nutrients are added to it to replace those that are lost in processing; a food is 'fortified' when nutrients that were never present are added to it. LanguaL curation note: Used when a chemical constituent is added for nutrient supplementation. Not used when the constituent is added to improve the functional properties of the food product. If the purpose of the constituent is not known, use the appropriate index term. http://www.langual.org/langual_thesaurus.asp?termid=H0194 enriched fortified restored food component addition process