4.1 Vitamins: Vital Dietary Components Part 4 Flashcards
What is the main function of vitamin E?
antioxidant protecting cell membranes from free radicals
What is the official chemical name of vitamin E?
tocopherol
What are the two main forms of vitamin E?
alpha-tocopherol (human body)
gamma-tocopherol (plants)
What are major sources of vitamin E?
oils
cereals
eggs
margarines
whole grains
nuts
What can deficiency of vitamin E cause?
cellular breakdown
hemolysis
Who are at risk for vitamin E deficiency?
preterm infants
smokers
those who suffer from malabsorption
What is the upper level recommended dose of vitamin E?
1000 mg per day in supplemental form
What can result due to toxic levels of vitamin E?
interfere with vitamin K’s blood clotting
What is the primary function of vitamin K?
coagulation
What are sources of vitamin K?
oils
plants
fish
meats
leafy green vegetables
green beans
soybeans
How can the body synthesize vitamin K?
intestinal bacteria
Why do infants need a vitamin K shot?
do not have the required gut flora to produce it on their own
Who is recommended to restrict intake of vitamin K?
anyone on blood thinners
What are secondary functions of vitamin K?
proper bone formation
bind calcium to muscles and kidneys
What is the recommended daily dose of vitamin K?
80 micrograms
