FNH 250 Lecture 1: Overview of Nutrition & Diet Quality
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Department
Food, Nutrition and Health
Course
FNH 250
Professor
Gail Hammond
Semester
Summer

Description
Overview of Nutritart Diet aalty Ma Defin ents found in tids and the bod. tudy of Nutriti handline of them this includ ngestnn Absorp Transport Metabdism Excret Nutrients substances found in frods and used in the body t th, maintenance and repa af tiss Essential Nutrients ake at all or in sufficient qu to m The b must be obta ned from det meet thre criteria. I. must have an identified biological function 2. absence of nutiient must lead to observable symptoms 3 restoration of nutrient before permanent dama occurs will reverse deficiency symptim g t takes to ra ca ram m water C en small measure of enero kilocalorie kcal) 000 cal Calorie it tak en when re frod term to the e Ca used on fred labels Nutrient-dense Foods high level of vitamny and/or mmetals trent per baal eg. tab fruit, whole grains, legumes Energy-dense Foods (or Empty calorie Foods) ew micronutrients, lots of I alcohol (7 kcal/ tato chips, pop Note- alcohol is not a nufnent bool: Strive tor optimal nutrition not too Htle, not much (mode efe intake want to plan and assess a healthy diet Body Und Optimal tnt eficiency Classes of Nutrients A. En Yelding Nutrients Maun nutnents I. Canbahydrater (CHo) Building Block 4 kcal Simple Sugars mAior source of ener the body (except fbres) mostly plant foods, also a milks land milk prod 2. Linds (FAT) Fatty acids essential FA (EFA) al FA th lant and animal foods t en Ma as CHO and PRO Twice a ener 3. Protein (PRO acid 4 kcal/gram essential ammo acids structural, working uses none. al aa foods Plant and a minor S of enero inc les enzymes, h Overview of Nutritart Diet aalty Ma Defin ents found in tids and the bod. tudy of Nutriti handline of them this includ ngestnn Absorp Transport Metabdism Excret Nutrients substances found in frods and used in the body t th, maintenance and repa af tiss Essential Nutrients ake at all or in sufficient qu to m The b must be obta ned from det meet thre criteria. I. must have an identified biological function 2. absence of nutiient must lead to observable symptoms 3 restoration of nutrient before permanent dama occurs will reverse deficiency symptim g t takes to ra ca ram m water C en small measure of enero kilocalorie kcal) 000 cal Calorie it tak en when re frod term to the e Ca used on fred labels Nutrient-dense Foods high level of vitamny and/or mmetals trent per baal eg. tab fruit, whole grains, legumes Energy-dense Foods (or Empty calorie Foods) ew micronutrients, lots of I alcohol (7 kcal/ tato chips, pop Note- alcohol is not a nufnent bool: Strive tor optimal nutrition not too Htle, not much (mode efe intake want to plan and assess a healthy diet Body Und Optimal tnt eficiency Classes of Nutrients A. En Yelding Nutrients Maun nutnents I. Canbahydrater (CHo) Building Block 4 kcal Simple Sugars mAior source of ener the body (except fbres) mostly plant foods, also a milks land milk prod 2. Linds (FAT) Fatty acids essential FA (EFA) al FA th lant and animal foods t en Ma as CHO and PRO Twice a ener 3. Protein (PRO acid 4 kcal/gram essential ammo acids structural, working uses none. al aa foods Plant and a minor S of enero inc les enzymes, hB Non- E Yelding N Micro Vitamins & Mineals t Water) O kcal/g indirectly de e suppor yme action. breakd mac d and th in Sm We n 4 Vita kcal/ g, do not directly de ener 4 tat soluble (A, D, E k) soluble B-vitamins (l) k c B-vitamins co- enzymes which enable chemical reachns to occur m b dy consumed in smaller guantstes ch organic compound. external and int to the body usceptible to break down both and biotm, pant Natar-se bo B- 6, B-12, folat itamn C 5. Minerals (MIN D kaalla, d not directly pmvide en 7 Major i St frace Co-factors (required fur budy3 chemical rea trns) Calcium, Phosphorus, sulph Consuined in Ming gnantitres d fo often Trace irvn, Zinc selenium, izdrde compl chemically inorganic elements in det resistant to break down L Man anes 6. Wa H20 most import not a micr non-caloric but needed in laree amount ermits actions t occur sumed in large quantifi t of d L CO Dietary Referende kes (DRI) comprehensive set of nutrient rete values EAR, RDA, AI, UL, EER, AMDR) used for as 1 and Pi diets for healthy individ and/or groups reflect the current state of scientfru knowled RDA and AL are average goals ded values aimed at cd of diet chnni. Condti such as heart disease, dabetes, hypertension and osteoporosis, and n ust on preventing deficiency disease las past recommendatans) Estimated A Regurement (EAR The EAR is th ke value that is estimated t 50% of an age-and gender specific populatnn gnup. At this levelot f specified take, th 50 nut have their n met based on strong scientific evidence Recommended Dretan Allowance (RDA) that rs sufficient to meet the nutrient 97-98% of all heart requirement o ndividuals n a spectcage and nut gender group based on solid scien fiu evidence used to estabbsh an EAR eg. carbo hydrate, profein, calcium, vrtamns A, D, and B-12 B Non- E Yelding N Micro Vitamins & Mineals t Water) O kcal/g indirectly de e suppor yme action. breakd mac d and th in Sm We n 4 Vita kcal/ g, do not directly de ener 4 tat soluble (A, D, E k) soluble B-vitamins (l) k c B-vitamins co- enzymes which enable chemical reachns to occur m b dy consumed in smaller guantstes ch organic compound. external and int to the body usceptible to break down both and biotm, pant Natar-se bo B- 6, B-12, folat itamn C 5. Minerals (MIN D kaalla, d not directly pmvide en 7 Major i St frace Co-factors (required fur budy3 chemical rea trns) Calcium, Phosphorus, sulph Consuined in Ming gnantitres d fo often Trace irvn, Zinc selenium, izdrde compl chemically inorganic elements in det resistant to break down L Man anes 6. Wa H20 most import not a micr non-caloric but needed in laree amount ermits actions t occur sumed in large quantifi t of d L CO Dietary Referende kes (DRI) comprehensive set of nutrient rete values EAR, RDA, AI, UL, EER, AMDR) used for as 1 and Pi diets for healthy individ and/or groups reflect the current state of scientfru knowled RDA and AL are average goals ded values aimed at cd of diet chnni. Condti such as heart disease, dabetes, hypertension and osteoporosis, and n ust on preventing deficiency disease las past recommendatans) Estimated A Regurement (EAR The EAR is th ke value that is estimated t 50% of an age-and gender specific populatnn gnup. At this levelot f specified take, th 50 nut have their n met based on strong scientific evidence Recommended Dretan Allowance (RDA) that rs sufficient to meet the nutrient 97-98% of all heart requirement o ndividuals n a spectcage and nut gender group based on solid scien fiu evidence used to estabbsh an EAR eg. carbo hydrate, profein, calcium, vrtamns A, D, and B-12AT) Adequate SOD T insufficient suenific evidence is available to det an EAR, d in an AI is a value based on ob data derived from intake levels or tons of observed mean nutrient intakes by a group o app heahhy peopl eg. total fibre, total fat water ed th han RDA, but are intended to meet nutntvrt needs ot n ly all y peopl RDA: Solid fic eviden both cove ulation the pop ALL: Best estimate Tolerable upper Intake Lael (UL) maximum level f daily nutrient intake th is unlhely to pose risk of advese htalth effects to a t all hea indviduals m the age and gend group not all vitamins and mmenals have UL clue to incomplete scientific evidence for adrese effects AR Incra take Estimated Energy Reguirement (EER) the dietary energy mtake that is predited to m tam energy balance in and PAL) Phy consisten ed tram a set of eg d is set at an ntak alcula t haalones (e energy An excess intake of 50 baaloncs day over daily energy expenditure can lead to a f 5 Pounds in one year and Energy Comp ended f Nuti AR EER RDA kept at the mean A1 Accepta 20% below EER to 20A above EER Daily rau;rements Nutrients.
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