One of our lectures in this course

1. 269 CHS ( # 2) Basics of nutrition

15. Indispensable: absolutely essential and body can not function without them

19. The Known 50 Essential Nutrients for Sustaining Human Life * *Numerous other beneficial substances in foods are also known to contribute to good health. Linoleic acid Linolenic acid Lipids-Fat (fatty acids) (2) A D E K C (Ascorbic acid) B 1 (Thiamin) B 2 (Riboflavin) B 3 (Pantothenic acid) Niacin B 6 (Pyridoxal) Folate Biotin B 12 (Cobalamin) Fe Zn Cu Mn I F B Se Mo Ni Cr V Si As Li Sn Co (in B 12 ) Na K Ca Mg S P Cl Histidine Isoleucine Leucine Lysine Methionine Phenylalanine Threonine Tryptophan Valine Water Carbohydrates Vitamins (13) Micro-Elements (17) Macro-Minerals (7) Protein (amino acids) (9) Water & Energy (2)

38. -Vitamins are essential for several enzymatic functions in human metabolism -Thiamine was discovered in 1912 and was thought to be a vital amine compound & thus the term vitamin was invented -13 vitamins are known, 4 fat soluble (KEDA) and 9 water soluble (C, Folate and the B group) .

55. Role of Nutrition in Prevention of Disease

56. Nourishment Functions Synthesis of Bioactive Compounds Energy Lean Body Mass, Skeletal Mass Fluid, Electrolyte, Acid-Base Balance Regulatory Functions membrane potentials, neuromuscular activity, plasma & cellular fluid volumes enzymes hormones immune substances enzyme activation cell messengers gene induction production, storage, release Structure, functional activities

58. 1- Absorption Efficiency

61. 2- Excretion Levels

62. 3- Metabolic Demand