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Trace minerals
se, i, mo, mn, cr, mn, f
33
Nutrition
Undergraduate 3
04/26/2014

Additional Nutrition Flashcards

 


 

Cards

Term
Selenium food sources
Definition

animals products (generally higher)

plant foods (depends on se in the soil)

Term
forms of se
Definition

ORGANIC- as amino acids/selenoamino acid: selenomethonine and selenocysteine

 

INORGANIC- selenite and selenate (usually added to foods)

 

 

Term
se is mostly found in what form in foods
Definition
one of the selenoamino acids (selenomethonine or selenocysteine)
Term
organic se absorption
Definition
carrier proteins in small intestines
Term
inorganic se absorption
Definition
diffusion
Term
se functions
Definition

antioxidant (glutathione peroxidase)

thyroid hormone synthesis

Term
se deficiency
Definition
keshan disease found mostly in china)
Term
se toxicity
Definition
selenosis
Term
garlic breath is characteristic of toxicity of what mineral?
Definition
se
Term
selenosis characteristic
Definition
garlic breath
Term
iodine sources
Definition
seafoods
Term
iodine content in foods depends on
Definition
soil/ higher near the sea
Term
do processed foods use iodized salt?
Definition
no
Term
I is absorbed from your _____and stored in _______
Definition

stomach and small intestines

thyroid gland

Term
iodine functions
Definition
thyroid hormone synthesis
Term
2 thyroid hormones
Definition

triiodothyronine (t3)

thyroxine (t4)

Term
thyroid hormones effect what organs
Definition

adipose tisssue

muscle

bone

cardiovascualr sys

GI tract

metabolism

Term
thyroid hormones are involved in
Definition
gene expression
Term
iodine intereacts with
Definition
goitrogens
Term
goitrogens
Definition
interfere with the use of iodine or the function of the thyroid
Term
iodine deficiency
Definition
goiter
Term
goiter
Definition
enlargment of the thyroid b/c of overstimulation of the thyroid by TSH. (adults)
Term
iodine deficiency in children
Definition
cretinism (born with neurologic prob, deaf-mute)
Term
iodine toxicity
Definition
enlargement of thyroid gland
Term
chromium form that is safe
Definition
trivalent chromium cr3+
Term
main function of chromium
Definition

enhances insulin function. attaches to insulin receptors inside cells and facilitates the work of insulin.

 

Term
MOLYBDENUM is absorbed and transported as
Definition
molybdate; through diffusion and active transport with a carrier
Term
molybdenum is found in foods and organs as
Definition
molybdate or molybdopterin
Term
contents of molybdopterin
Definition
pterin and molybdenum
Term
molybdopterin functions
Definition
cofactor
Term
molybdenum functions
Definition

cofactor for degrading purines in DNA

for detoxifying drugs in the liver

metabolism of sulfur containing amino acids

Term
molybdenum deficiency
Definition

rare

genetic defects in molybdopterin cofactor or sulfite oxidase=neurologic abnormalities including seizures and severe brain damage.

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