Transcript Minerals
A 2 year old child, Sonya, craves MUD PIES and CAT LITTER even though her parents provide her with a varied and healthy diet. Her parents can’t solve this mystery. CAN YOU?? Minerals •Found in nearly all foods •Do NOT supply energy •Regulate body chemistry and body functions. •Can not be produced by our body. Must be EATEN. MINERALS Part of vitamins Found in enzymes Found in hormones Found in bones Found in muscles There are about 60 different minerals that make up about 4 % of our bodies Macrominerals Found in relatively large amounts Calcium Phosphorus Sodium Potassium Trace Minerals Found in very small amounts Iron Zinc Fluorine Copper Iodine BIO-AVAILABILITY Our bodies vary in their capabilities to absorb & use of available minerals Minerals may be present in foods but, they are NOT Bioavailable unless our body can absorb them Minerals from animal products are absorbed better Mineral content of plant products depends on soil FATORS THAT LIMIT BIOAVAILABILITY: FIBER MINERALS Calcium 20-40% Function Prevents 99%=Helps bones, teeth; blood serum, clotting, muscles, nerves. Osteoporosis Toxicity Kidney disfunction Sources Milk Dates Broccoli Greens-spinach Phosphorus 70% Function Prevents BONES (85%) Cells Enzymes DNA Releases energy Osteoporosis Toxicity Calcification of tissues Sources Avocados Raisins Whole grains Meat eggs milk Potassium 90% Function Prevents 95%=Fluid balance (Inside) Heart and other muscles Nerves Irregularity of heart action Toxicity Muscular weakness Sources Oranges Peaches Pears Bananas Dates Apples Avocados raisins Sodium 99% Function Prevents Regulates fluids (outside) Regulate muscles, heart, nerves Too much contributes to high blood pressure Toxicity Hypertension Sources Table salt Cured meats Soy Sauce Sauces Processed foods Packaged foods Iron 10-20% Function Blood Hemoglobin Carries oxygen to cells Prevents Iron deficiency anemia Too Much: HEMOCHROMATOSIS TYPES: HEME and NONHEME Sources: Dark Green leafy vegetables and Red meats Zinc Functions 10-35% Growth Maintenance of body Affects taste sensation Prevents Growth failure (dwarfism) Poor wound healing Sources Avocados Raisins Dairy products Whole grains Meats Poultry Fish Flourine Function Prevents Teeth and bones Works with calcium Tooth decay Toxicity Discoloration of teeth Nausea, diarrhea Sources Fluoridated water Seafood Eggs Some toothpastes Copper Function Helps form hemoglobin Makes red blood cells Prevents Anemia Bone abnormalities Toxicity Liver, kidney, and brain damage Sources Meat Egg yolks Green vegetables Grains Shell fish Organ meats Iodine Function Thyroid – regulates growth, development, and metabolic rate Prevents Goiter Cretinism: stunt growth Sources Salt water fish Iodized table salt