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NFM 225 Final
Vitamins
13
Other
Undergraduate 2
12/08/2009

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Term
Where are water-soluble vitamins stored in the body?
Definition
The water soluble (B & C) vitamins are absorbed by intestinal cells and taken directly to the blood stream. 

 

Excess is excreted by the kidneys into the urine.

Term
Identify the diseases or conditions associated with deficiencies of vitamins C, D, & Folate.
Definition
C-scurvy, cannot synthesize collagen, gums bleed, left untreated..its fatal
D-weak bones (rickets in children & osteomalacia in adults)
E-rare, mainly people with malabsorption or rare genetic disorders.
Term
Where are fat-soluble vitamins stored in the body?
Definition
the liver & fatty tissues
Term
What are the primary functions of Vitamins A,D, E, K?
Definition
A-vision & renewing cells
D-regulates blood calcium & bone health
E-antioxidant
K-role in blood clotting & bone health
Term
what are common food sources of vitamins A, D, E, K ?
Definition
A- plant foods-yellow & orange
D-Milk, cereals, yogurt
E-nuts, wheat germ oil, seeds
K-liver, spinach, lettuce
Term
Which vitamins are associated with the synthesis of fatty acids?
Definition
Term
Which vitamins are associated with the synthesis of DNA & RNA?
Definition
Thiamin, Folate, vitamin B12
Term
How do B vitamins relate to energy generating systems in our body?
Definition
Thiamin, Riboflavin, --coenzymes which help extract energy from glucose
Term
Identify the B vitamins, concentrating on thiamin, riboflavin, B6.
Definition
8 B's
B1--Thiamin-important coenzyme that extracts energy from glucose
B2--Riboflavin-yellowish green color in egg whites and fat-free milk
B3--Niacin
B6--group of 6 compounds, coenzyme for protein & amino acid metabolism, important for gluconeogenisis
B12
pantothenic acid
biotin
folate
Term
How can you prepare (cook and process) foods so that they retain more of their vitamins?
Definition
Heat & alkalinity destroys vitamins.
Best way to retain is steaming, stir-frying, or microwaving vegetables fresh off the vine
Term
What are some characteristics of vitamins that distinguish them from minerals?
Definition
They are organic.
They can be destroyed by exposure to light, heat, or acidity.
Term
Which vitamin, in addition to E and C, functions as an antioxidant?
Definition
The carotenoids (alpha-carotene, beta-carotene, lutein, zeaxanthin, cyptoxantin, and lycopene) which are vitamin A precursors
Term
What are B vitamin sources and major roles in the body?
Definition
Pork, Tuna, beans, liver, chicken, fortified cereals
Major Roles:important coenzyme that extracts energy from glucose
B2--Riboflavin-yellowish green color in egg whites and fat-free milk
B3--Niacin
B6--group of 6 compounds, coenzyme for protein & amino acid metabolism, important for gluconeogenisis, energy metabolism
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