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
Iodine sources
iodized salt, seafood, bread, plants
Copper
Necessary for the absorption and use of iron in the formation of hemoglobin
Copper deficiency symptoms
anemia, bone abnormalities
Copper toxicity symptoms
vomiting, diarrhea, liver damage
Copper sources
organ meats, seafood, nuts, seeds, whole grains, drinking water
Manganese
Facilitator of many cell processes through enzymes
Bone formation
Manganese toxicity symptoms
nervous system disorders
Manganese sources
nuts, whole grains, leafy veg, tea
Fluoride
element involved in the formation of bones and teeth; helps teeth resist decay
Fluoride deficiency symptoms
tooth decay
Fluoride toxicity symptoms
fluorosis (pitting and discoloration of teeth)
skeletal fluorosis (weak, malformed bones)
Fluoride sources
water, tea, seafood
Chromium
enhances insulin action and may improve glucose tolerance
Chromium deficiency symptoms
diabetes like condition (cant use glucose normally)
Chromium sources
meats, whole grains
Who is at the highest risk for zinc deficiency?
pregnant teens
Zinc UL
40 mg/day
What cancers does selenium help with?
prostate, colon
Iodine UL
1100 ug/day
Manganese UL
11 mg/day