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Lecture 8b MINERALS-I MINOR MINERALS 29 October 2018.

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Presentation on theme: "Lecture 8b MINERALS-I MINOR MINERALS 29 October 2018."— Presentation transcript:

1 Lecture 8b MINERALS-I MINOR MINERALS 29 October 2018

2 IRON FUNCTIONS- oxygen transport- blood and muscle
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
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
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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