Problem 61E
Give the chemical formula for (a) chlorite ion, (b) chloride ion, (c) chlorate ion, (d) perchlorate ion, (e) hypochlorite ion.
Minerals Major Minerals Calcium Involved with formation of bones and teeth Dairy products are a good dietary source of calcium—ideally a food that contains calcium that the body can absorb well Calcitriol: binds to calcium to increase absorption when blood levels are low Food sources: dairy, sardines, fortified foods o 8 oz milk o 1 cup yogurt o 1.5 oz cheddar cheese o 1.5 cups cooked kale o 2 ¼ cups cooked broccoli o 8 cups cooked spinach 300 mg (30% of daily value) 1,000g in body—most out of all minerals Binders of calcium (chelators) o In vegetables, oxalates bind to calcium o Grains, legumes contain phytates o Consuming coffee/tea can slightly block calcium binding Can get calcium from all 5 food groups Common supplement forms (consider elemental amount) o Calcium carbonate (40%) Requires good stomach acid Take with acidic food Least expensive o Calcium citrate (21%) Low stomach acid With/without food May protect kidney stones More expensive Higher doses required compared to calcium carbonate o Calcium lactate (13%) Good absorption o Calcium gluconate (9%) Good absorption Expensive Best absorbed in doses of <500 mg at a time o Children: RDA 1300mg / UL 3