Chapter 8: Vitamins (Fat Soluble) Flashcards
do vitamins provide energy?
no
fat soluble vitamins
ADEK
how do fat soluble vits get around
lipoproteins
what vits are stored longer
fat soluble
Vit A pro vitamin
beta carotene
beta carotene food sources
-carrots
-pumpkins
-sweet potatoes
-dark leafy greens
which vitamins are antioxidants
A C E
function of vit A
-gene expression
-cell differentiation
-tissue development
-vision
-immune func
-reproductive func
vit A deficiency
-night blindness
-hardening of cornea
-rough scaly skin (decreased mucus membrane)
too much beta carotene… (hypercarotenemia)
turn orange a lil
Vit A toxicity (more serious)
-birth defects (acutane)
what vitamins can you get toxic effects from eating
only A
oxidation
when electrons are stolen
functions of vit E
-anticoagulant
-antioxidant
functions of vit K
-activates blood clotting
-bone mineralization
vit K toxicity
stroke (bc clotting)
how is vit K produced
from bacteria in the gut
vit K food sources
-dark leafy greens
-cabbage
-broccoli
-brussel sprouts
vit E food sources
-oil
which vits help with bone development
vit D and K
functions of vit D
-maintain blood calcium levels
-decrease calcium loss in kidneys
-increased calcium absorption in GI
-can get it from bones
vit D deficiency
-rickets (children)
-osteomalacia
-(not enough cal, bones soften)
vit D toxicity
-excess calcium deposit on bones
-abnormal bone growth
vit A food sources
-liver
vit D food sources
-fortified milk
-sunlight (cholesterol->D)
-fatty fish
-beef liver
-egg yolks
fat soluble vitamins are stored
in the liver and fatty tissue
vit e toxicity
-bleeding
-GI issues
vit k deficiency
-bleeding
-bruising