4.2 Water Soluble Vitamins Part 4 Flashcards
What is pernicious anemia?
associated with nerve degeneration that can lead to paralysis and death
What are the symptoms of vitamin B12 deficiency?
weakness, back pains, and tingling in finger and toes
Who are at risk for vitamin B12 deficiency?
elderly
vegans
infants of vegan moms
What are sources of vitamin B12?
meats
organ meats
milk
eggs
Where is vitamin C absorbed?
small intestine
What are the four major functions of vitamin C?
- collagen synthesis
- antioxidant activity
- iron absorption
- immunity
What are sources of vitamin C?
cirtus fruits
strawberries
potatoes
broccoli
cereals
fortified drinks
What can high intakes of vitamin C cause?
decrease absorption leading to diarhhea
What is collagen?
structural protein found in connective tissue, skin, bones, teeth, tendons, and blood vessels
What can a deficiency of collagen lead to?
scurvy
What are symptoms of scurvy?
bleeding gums
weakness
pinpoint hemorrhages
poor wound healing
What is the function antioxidant activity for vitamin C?
acts as a scavenger of free radicals
