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Lecture 8b MINERALS-I MINOR MINERALS 14 November 2017

Learn about iron, zinc, iodine, selenium, copper, manganese, fluoride, chromium, and molybdenum functions, sources, deficiencies, and toxicities in the body. Understand their vital roles and potential effects on health.

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Lecture 8b MINERALS-I MINOR MINERALS 14 November 2017

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  1. Lecture 8b MINERALS-I MINOR MINERALS 14 November 2017

  2. IRON FUNCTIONS- oxygen transport- blood and muscle SOURCES- red meats, tofu, bread DEFICIENCIES- lower immunity, weakness fatigue, pale nailbeds TOXICITIES- increased infection risk -organ damage

  3. ZINC FUNCTIONS- tissue growth and wound healing, part of many enzymes in energy and nucleic acid metabolism immune function, vitamin a transport, insulin function SOURCES- meat, fish, poultry, beans DEFICIENCIES- function impairment -eg abnormal glucose transport TOXICITIES- elevated bad cholesterol and decreased good cholesterol, vomiting, impaired calcium absorption

  4. IODINE FUNCTIONS- part of thyroid hormones that regulate growth development and metabolic rate SOURCES- seafood, iodized salt, bread DEFICIENCIES- weight gain, lethargy TOXICITIES- enlarged thyroid gland

  5. SELENIUM FUNCTIONS- antioxidant SOURCES- seafood, liver, grains from selenium rich soil DEFICIENCIES- heart disease TOXICITIES- nausea, vomiting, nerve damage

  6. COPPER FUNCTIONS- hemoglobin formation, part of several enzymes, used in energy metabolism SOURCES- organ meats, seafood, nuts DEFICIENCIES- rare-anemia TOXICITIES- vomiting, diarrhea

  7. MANGANESE FUNCTIONS- part of enzymes in fat synthesis, growth, and blood clotting SOURCES - widely distributed in foods DEFICIENCIES - rare TOXICITIES – rare -nervous system disorders

  8. FLUORIDE FUNCTIONS- tooth enamel maintenance, resistance to dental decay, bone formation and integrity SOURCES- fluoridated water(natural or otherwise, tea) DEFICIENCIES- teeth decay, osteoporosis TOXICITIES – mottling of teeth, nausea, vomiting

  9. CHROMIUM FUNCTIONS- co-factor for insulin SOURCES- meat, whole grain, nuts,cheese DEFICIENCIES- insulin resistance, impaired glucose tolerance TOXICITIES- dietary unknown- -occupational-chromium dust-skin and kidney damage

  10. MOLYBDENUM FUNCTIONS- component of many enzymes- works with riboflavin to incorporate iron into hemoglobin SOURCES – milk, legumes, bread, grains DEFICIENCIES- unknown TOXICITIES- occupational- gout like symptoms

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