NUTR SCI 132 Chapter Notes - Chapter 11: Bone Fracture, Menopause, Niacin
23 Mar 2016
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Synthesis, preservaion, funcion, and repair of issue: zinc: Necessary for cell division, wound healing, growth, lean issue synthesis, and strength gains. Component of myoglobin (protein in muscles similar to hemoglobin, used in electron transfer, keeps oxygen from causing damage, gives meat its red color) Necessary for development of myelin sheath around nerve cells. Metallo-enzymes (enzymes don"t funcion without iron as this cofactor) Decreased energy release: vitamin b-12 (coubalamine) Because of low intake of b-12 or folate. Due to lack of intrinsic factor (produced in the gut, secreted into the stomach, and is needed to absorb b-12) Causes neurological problems (numbness in extremiies slowly progressing to paralysis) Used in making dna during cell division (red blood cells and cells in gi tract in paricular) Due to low intake of folate or vitamin b-12. Associated with neural tube defects in babies (e. g. spina biida) when mother doesn"t get enough. Bread lour enriched with folate to increase intake: potassium.
