Role of Nutrients in Health: Carbs, Lipids, Proteins, Vitamins, Minerals, Water - Prof. Lo, Study notes of Chemistry

Download Role of Nutrients in Health: Carbs, Lipids, Proteins, Vitamins, Minerals, Water - Prof. Lo and more Study notes Chemistry in PDF only on Docsity! ClinSci 09.08.09 What you eat & Why Nutrition –science of food nutrients & substances; their action, interaction & balance in relation to health & disease  Provide energy, building blocks, has specific biological function, regain normal function when restored to diet  Study nutrition to maintain health  Chronic disease risk: o Disease of heart (29%) o Cancer (22%) o Stroke (7%) o Diabetes (5%) 6 Classes of nutrients  Carbohydrates  Lipids  Proteins  Vitamins  Minerals  water Carbs  Composed of carbon, hydrogen, oxygen  Major source of fuel  Monosaccharide (glucose)  Simple & complex  Dietary fiber  Energy yielding (4kcal/gram) Lipids  Carbon, hydrogen, fewer oxygen  Triglycerides (fats & oils)  Unsaturated fatty acids  Saturated fatty acids  Essential fatty acids  Energy yielding fats & oils (9kcal/gram)  Cholesterol  Phospholipids Proteins  Carbon, hydrogen, fewer oxygen  Energy yielding (4kcal/gram)  9 essential amino acids  11 nonessential amino acids