apparent nutrient retention factor 2021-05-20T23:00:12Z "The use of apparent rather than true retentions involves the assumption that solids are not lost to any practical extent with cooking. This assumption is clearly not valid for meats, which give up both fat and protein to the drippings when cooked; it is probably not valid for vegetables, legumes, and many cereal products, either. "(https://pubmed.ncbi.nlm.nih.gov/1238446/) A food datum which is the ratio of nutrient content in a cooked food - without inclusion of components that may have been separated during the cooking process - to nutrient content in the raw food, with both values expressed on a moisture-free basis. food datum