Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
Fat Soluble Vitamins
|
A
D E K long term storage in liver and adipose tissue, so not easily excreted which means you don't have to eat everyday |
|
|
VITAMIN K
|
produced by colonic bacteria but not enough for your body.
Function: blood clotting/coagulation Deficiency: Hemorrhage Individuals at Risk: newborns and people on anitbiotics Food Sources: leafy greens and veggies AI NO UL |
|
|
VITAMIN E
|
Functions: antioxidants (protect against free radicals), healthy nerve tissue, immune function, iron metabolism in cells
Deficiency: nerve damage, decrease immune function, anemia Individuals at Risk: smokers and preterm infants Food Sources: veg. oils, seeds nuts RDA UL (toxicity inhibits vit K metabolism and causes hemorrhaging) |
|
|
VITAMIN D
|
sunshine can make 100%
Function: maintain blood calcium, increase absorption or calcium, decrease urinary loss, calcification of bones Deficiency: Osteomalacia (soft bones in adults) and Rickets (children) Individuals at Risk: decreased sun exposure, elderly, dark skin, liver or kidney diseased, decreased milk consumption AI UL |
|
|
factors affecting Vitamin D synthesis:
|
skin color
age obesity time of day season location |
|
|
Vitamin D synthesis
|
sun activated cholesterol under the skin, but to be activated need liver and kidneys
|
|
|
Sunlight exposure:
|
2-3x/week for 5-10 minutes but 3-5x longer for darker skin
SPF 8 decreases synthesis by 95% |
|
|
VITAMIN A: Retinoids (animal products)
|
Function: vision and cell health
Deficiency: Xerophthalmia "dry eye" UL Toxicity: GI upset, nausea, bone muscle pain, liver damage, birth defects, death |
|
|
VITAMIN A: Carotenoids ( plant products and beta carotene)
|
Function: antioxidants and DNA
Food sources: yellow-orange veggies, NO UL |
|
|
Body Synthesis Vitamins
|
D &K
|
|
|
Limited Body Storage:
|
VItamin K
|
|
|
No Toxicity:
|
Vitamin K
|
|
|
Antioxidant Vitamins:
|
E and Beta Carotene
Vitamin C (water soluble) |
