NFS284H1 Lecture Notes - Lecture 3: Vitamin X, Dietary Reference Intake, Biotin
Document Summary
Chapter 2: nutrition: guidelines: applying the science of nutrition. 2. 1 nutrition recommendation for the canadian diet: nutrient-based approach. How much of a nutrient is required to maintain health: food-based approach. Dietary pattern: types and amounts of foods to maintain health, recommendations are regularly updated, nutrient-based approach. History: first recommendations in canada 1939, 1943, recommended nutrient intakes (rni) Today: dietary reference intake (dris, determined by the institute of medicine (iom) by canadian and. American scientists beginning in the 1990"s and continuing today: canada"s official food rules 1942: fig 2. 2 food-based approach. 2. 2 dietary reference intakes (dris: for planning and assessing diets of healthy individuals, values for different life stages/males or females. Acceptable macronutrient distribution range (amdr: other nutrients. Tolerable upper intake level (ul: know terms and abbreviations, statistics. Measure of range or variance -> diff. from lowest level to highest level. Median is the same, standard deviation (or variance) is different. Look at areas under curve -> look at probability.
