Trace Minerals Flashcards
Iron
part of hemoglobin (carries oxygen in the blood)
part of myoglobin in muscles (makes oxygen available for muscle contraction)
Iron deficiency symptoms
Anemia = weakness, pallor, headaches, reduced work productivity, impaired cognitive function, lowered cold tolerance
Iron toxicity symptoms
iron overload = infections, liver injury, increased risk of heart attack, acidosis, bloody stools, shock
Sources of iron
red meats, fish, poultry, shellfish, eggs, legumes, dried fruit
Zinc
Part of insulin and many enzymes
involved in making genetic material and proteins
immune reactions
transport of vit A
taste perception
wound healing
making sperm
normal fetal dev
Zinc deficiency symptoms
decreased growth
delayed sexual maturing
impaired immune function
loss of taste
eye and skin lesions
Zinc toxicity symptoms
loss of appetite
impaired immunity
low HDL
N&V
headaches
copper and iron deficiency
Zinc sources
protein: meats, shellfish, poultry, grains, veg
Selenium
assists group of enzymes that break down reactive chemicals that harm cells
Selenium deficiency symptoms
predisposition of heart disease
Selenium toxicity symptoms
nausea, abd pain, nail and hair changes, nerve damage
Selenium sources
seafoods, organ meats, whole grains and veg
Iodine
component of 2 thyroid hormones (regulate growth, development and metabolic rate)
Iodine deficiency symptoms
goiter, cretinism
Iodine toxicity symptoms
depressed thyroid activity, goiterlike thyroid enlargement