Vitamins Flashcards
What are the 3 active forms of vitamin A in the body?
Retinol, Retinal, Retinoic Acid
What are the fat-soluble vitamins?
A, D, E, K
What are the water soluble vitamins?
B vitamins, Vitamin C
Where are fat-soluble vitamins absorbed?
The lymph
Where are water-soluble vitamins absorbed?
Directly into the bloodtream
Which vitamin plays a role in vision, gene expression, immunity, skin and body lining, and growth
Vitamin A
Where are fat-soluble vitamins stored?
Tissues; liver and fatty tissue until needed
True or False
Fat-soluble vitamins have a lower risk of toxicity than water-soluble vitamins
False; fat-soluble vitamins including vit A and D can reach toxic levels easily from supplementation
What is the most carotenoid precursor?
Beta-carotene
Which vitamin deficiency is associated with rickets?
Vitamin D
Which is the most toxic of all vitamins in excess
Vitamin D
What 4 tocopherol compunds does vitamin E consist of?
Alpha, Beta, Gamma, Delta
What is the main function of vitamin E
Antioxidant effects
What is erythrocyte hemolysis
Rupturing of red blood cells which results in anemia