NUTR 202 1st Edition Lecture 13 Ch 7 Vitamins Structure Organic molecules not atoms contain carbon Individual Units NOT linked together i e NOT building blocks like for glucose fatty acids amino acids Function essential to promote growth reproduction and maintain health Do NOT yield energy but regulate metabolism of energy Assist enzymes and other biological factors that release energy from CHO Pro Fats coenzymes Required in small amounts micronutrients Measured in micrograms or milligrams not grams Amounts needed Water soluble Move directly into blood Most travel freely Fat soluble Enter lymph and then blood Require transport proteins lipoproteins These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Vitamins stored in the body are fat soluble Vitamins A D E K Vitamins that are not stored in the body are water soluble Thiamin Riboflavin Niacin Pathothenic acid Biotin Pyridoxine Folate B12 and vitamin C B12 is the only water soluble vitamin that can be stored in the body primarily in the liver RDA and AI Recommended amount of vitamins necessary to prevent deficiencies and promote health ULs Guide to avoid the risk of toxicity more is not always better Food labels Vitamin A and C amts are required on food labels as DV want to have at least 10 Antioxidants Normal growth development Vitamin A D Needed to produce ATP Energy from Carbohydrate fat and proteins Vits C E provitamin A B vitamins For Protein and Amino acid Metabolism Vitamin B6 B12 folate Keep blood healthy K B6 B12 folate Needed for bone health Vitamins D A K C Healthy Immune System Vitamin C A B6 D folate Scurvy Vitamin C Deficiency Disease Bleeding Gums tooth loss death Rickets Vitamin D Deficiency Disease Abnormal bone growth Pellagra Niacin Deficiency Disease Diarrhea inflammation of skin mental disorders and death Beriberi Macrocytic Anemia Pernicious anemia Neural tube defects Blindness Sources of vitamins balanced diet fortification enrichment supplements Proteins Vitamins in diet derived from foods consumed few synthesized in GI tract i e B12 K
View Full Document
Unlocking...