LAST LECTURE WE TALKED ABOUT DIETARY VITAMINS IN SPORTS TODAY WE WILL TALK ABOUT MINERALS.
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Transcript of LAST LECTURE WE TALKED ABOUT DIETARY VITAMINS IN SPORTS TODAY WE WILL TALK ABOUT MINERALS.
OUTLINE OF LECTURE 13
MINERALS OVERALL-SOME GENERAL COMMENTS
MAJOR MINERALS - ELECTROLYTES AND NON-ELECTROLYTES
-SOURCES AND FUNCTIONS -IDATME
MINOR MINERALS-SOURCES AND FUNCTIONS
-IDATME
OUTLINE OF LECTURE 13
MINERALS-DEFICIENCIES AND TOXICITIES
MINERAL SUPPLEMENTS
MINERALS AS ANTIOXIDANTS
MINERALS-SOME GENERAL COMMENTS SINGLE ATOMS CAN BE CHARGED OR UNCHARGED
IN THE BODY MAJOR -ARE FOUND IN THE BODY IN EXCESS
OF 5 GRAMS -ELECTROLYTES AND MINERALS
MINOR- ARE FOUND IN THE BODY IN AMOUNTS
OF LESS THAN 5 GRAMS
MINERALS- GENERAL COMMENTSCONTINUED
MOST ESSENTIAL- WE CANNOT MAKE THEM-SOME DEFICIENCIES HAVE NOT BEEN ESTABLISHED FOR SOME MINOR MINERALS MAKING IT UNCLEAR WHETHER THEY ARE NEEDED IN THE DIET
WHAT ARE THE MAJOR MINERALS ?
ELECTROLYTESIN PART RESPONSIBLE FOR FLUID BALANCE IN BODY
SODIUM, POTASSIUM AND CHLORIDE
MAJOR MINERALS
CALCIUM, PHOSPHOROUS, MAGNESIUM AND SULPHUR
SODIUM FUNCTION-fluid and electrolyte balance, pH control, muscle function, nerve impulse transmission SOURCES-processed foods
POTASSIUM FUNCTION-fluid and electrolyte balance, pH control, muscle function, nerve impulse transmission SOURCES-fruits, vegetables, whole grains
CALCIUM
FUNCTION-bone and teeth formation, blood clotting, nerve transmission, muscle function, blood pressure SOURCES –dairy, fortified orange juice, green leafy vegetables, small fish with bones
PHOSPHOROUS FUNCTION-bone and teeth formation, pH control, regulation of coenzyme function SOURCES-all animal products, bread and ready to eat cereal
MAGNESIUM
FUNCTION- bone formation, nerve transmission, protein and carbohydrate metabolism (enzyme activity)
SOURCES-green leafy vegetables, nuts, whole grains, seafood, chocolate
SULPHUR FUNCTION-protein structure, component of biotin, thiamin and insulin SOURCES-all protein foods
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MAJOR MINERALS-IDATME
INGESTION- ORAL, TUBE, INTRAVENOUS
DIGESTION – NOT BROKEN DOWN
ABSORPTION-ACTIVE TRANSPORT
TRANSPORT-FREE OR BOUNDFREE- EXAMPLES SODIUM AND ALL OTHER MAJOR MINERALS (EXCEPT SULPHUR)BOUND - SODIUM CHLORIDE -POTASSIUM CHLORIDE -SULPHUR-INSULIN
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MAJOR MINERALS-IDATME
METABOLISM- ALL READY IN CORRECT FORM-MINERALS IN =MINERALS OUT
EXCRETION- SWEAT, URINE, FAECES
ZINC FUNCTIONS-TISSUE GROWTH AND WOUND HEALING, PART OF MANY ENZYMES IN ENERGY AND NUCLEIC ACID METABOLISMIMMUNE FUNCTION, VITAMIN A TRANSPORT, INSULIN FUNCTION SOURCES-MEAT, FISH, POULTRY, BEANS
IODINE
FUNCTIONS-PART OF THYROID HORMONES THAT REGULATE GROWTH DEVELOPMENT AND METABOLIC RATE SOURCES-SEAFOOD, IODIZED SALT, BREAD
COPPER
FUNCTIONS-HEMOGLOBIN FORMATION, PART OF SEVERAL ENZYMES, USED IN ENERGY METABOLISM SOURCES-ORGAN MEATS, SEAFOOD, NUTS
MANGANESE FUNCTIONS-PART OF ENZYMES IN FAT SYNTHESIS, GROWTH, AND BLOOD CLOTTING SOURCES -WIDELY DISTRIBUTED IN FOODS
FLUORIDE
FUNCTIONS-TOOTH ENAMEL MAINTENANCE,
RESISTANCE TO DENTAL DECAY,BONE FORMATION AND INTEGRITY
SOURCES-FLUORIDATED WATER(NATURAL OR
OTHERWISE, TEA)
MOLYBDENUM FUNCTIONS-COMPONENT OF MANY ENZYMES- WORKS WITH RIBOFLAVIN TO INCORPORATE IRON INTO HEMOGLOBIN SOURCES –MILK, LEGUMES, BREAD, GRAINS
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MINOR MINERALS-IDATME
INGESTION- ORAL, TUBE, INTRAVENOUS
DIGESTION – NOT BROKEN DOWN
ABSORPTION-ACTIVE, FACILITATED AND OCCASIONALLY SIMPLE
TRANSPORT-FREE – RARE- E.G. IODINE
-BOUND- VERY COMMON- MOSTLY PROTEINE.G. IODINE, IRON
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MINERAL TOXICITIES AND DEFICIENCIES
NOT LIKELY IF ONE IS FOLLOWING A PROPER TRAINING DIET
PROPER TRAINING DIET GIVES SUFFICIENT MINERALS
MINERALS AND THE MACRONUTRIENTS THEY METABOLISE OR PROTECT FREQUENTLY COME IN A PACKAGE
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THUS THERE IS AN INTEGRATIONOF SOURCE, FUNCTION, DEFICIENCY AND TOXICITY
REMEMBER THAT SOURCE CANINCLUDE SUPPLEMENTS INCLUDING PILLS
34
MORE CARBS, PROTEINS AND LIPIDS IN THE DIET MORE MINERALS IN THE DIETCONTAINING THE CARBS, PROTEINS AND LIPIDS TO ASSIST WITH THE METABOLISM OF THE CARBS, PROTEINS AND LIPIDS.
EVERYTHING IS INTEGRATED
IT IS A PACKAGE DEAL!!
SUMMARY OF LECTURE 13
MINERALS OVERALL-SOME GENERAL COMMENTS
MAJOR MINERALS - ELECTROLYTES AND NON-ELECTROLYTES
-SOURCES AND FUNCTIONS -IDATME
MINOR MINERALS-SOURCES AND FUNCTIONS
-IDATME
SUMMARY OF LECTURE 13
MINERALS-DEFICIENCIES AND TOXICITIES
MINERAL SUPPLEMENTS
MINERALS AS ANTIOXIDANTS