Card Set Information
Vitamins (fat soluable)
What makes fat- soluable Vita so unique?
They require bile and other lipids to be absorbed in the small intestine.
They get circulated away from small intestine in lymph via chylomicrons
Large amt can be toxic.
Can be destroyed light and heat, except D
Vita A and Carotenoids
Carotenoids are Preformed compound (in animals)
Retinol is the free floating form of Vita A
Beta Caretene is a Provitamin A, also an antioxidant; mostly abundant in yellow and orange veggies and fruits.
High intake of Vita A can lead to death. (not carotenoids)
Orange skin due to too much carotenoids, in food (veggies, carrots)
Deficiency of Vita A
Can lead to blindness, VADD, Xerophthamia - (damage of the cornea)
Vita D "sunshine" and "Prohormone"
Produced by us, from the UV rays hitting the skin.
Can also be found Fatty fish and some plants
(1,25 - (OH-) D3 stimulates calcium absorption, w/o it, we wont able to take in calcium. Calcitriol Influence the absoption of Calcium.
Toxicity is RARE, but can be dangerous
Rickets, Osteomalacia, and Osteoprosis
Hypercalcemia vs. Hypercalciuria
Deficiency of Vita D in Children, and Adults (soft and weak boned, vs. porous bones)
Deposit in tissue vs. kidney stone formation
Vita E - An Antioxidant
Protects Cells membrane
Activated form - Alpha-tocopherol, found in fatty foods - oil, seeds, nuts
Protect from cataracts formation
Vita Deficiency & Toxicity - RARE
But can lead to hemolytic anemia and Neuromuscular problems.
Toxicity can lead to bleeding.
Vita K -"Blood clotter"
Gets from dark green veggies, made in large intestines by microflora
Involves with Calcium to clot blood, also in bone mineralizing
Vita K deficiency
Can lead to weak bone and bleeding,
Babies who were first born get Vita K injection.