NUTR 1010 Lecture 28: NUTR*1010 - Lecture 28
30 Nov 2016
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Document Summary
Trace elements include iron, zinc, coper, selenium, iodine. Required in amounts less than 100 mg per day. Trace elements: have to difficulty to study as they are difficult to remove from the diet and bioavailability is a concert. Most abundant intracellular (within the cell) trace element. Calcium in the most abundant in the body. Involved in functioning of over 300 different enzymes. Superoxide dismutase, important for protecting cells from free radical damage from oxidative stress. Zinc fingers (protein binds to parts of regulatory dna) Zinc is important in regulating gene function! Cchs suggestions that a number of canadians are not meeting their zinc requirements. Richest sources of zinc are found in animal products. Better absorbed from animal sources than plant sources. 136mg), beans with pork, beef, crab, lamb, lobster. Men: mixed 11 and vegan up to 17. Women: mixed 8 and vegan up to 12. Often bound by phytates, reducing its bioavailability.
