NFS284H1 Lecture Notes - Lecture 2: Nutrient, Dietary Reference Intake, Vitamin X
2 Mar 2018
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Document Summary
Nutrition recommendation for the canadian diet: nutrient-based approach, how much of a nutrient is required to maintain health, history. First recommendations in canada 1939, 1943: recommended nutrient intakes (rni, today, dietary reference intakes (dris, determined by the institute of medicine (iom) by canadian and american scientists beginning in the 1990"s and continuing today. Food-based approach: dietary pattern, types and amounts of foods to maintain health. For planning and assessing diets of healthy individuals: values for different life stages, males or females. Infants: children, teens, young, middle, older adults, pregnancy/lactation. Nutrient intake: experimentally determined requirement for a nutrient, amount of nutrient consumed, determined by the composition of the, amount required to maintain health diet. Ear cut point method: to estimate what proportion of a group is meeting their requirements. If your intake > ai, then intake ok. If intake < ai, intake may or may not be ok. Fat soluble nutrients tend to have ul- accumulate in body.
