obsolete: food added true "Food added" and its subclasses referenced existing ingredients / food products. FoodOn uses relations like "has ingredient" to do the same. If needed, these relations can be annotated with proportions. LanguaL curation note: When not otherwise indicated in the scope note, *FOOD ADDED* factor terms are applied when the specified food is the second ingredient in order of predominance, excluding water. Always used for fillings and when the added food is part of the product name (e.g., raisin bread). requires discussion