Fat Soluble Vitamins, Minerals and Electrolytes Flashcards
Estimated Average Requirement (EAR):
The average daily nutrient intake level estimated to meet the requirements of half of the healthy members of a particular life stage and gender group
Recommended Daily Allowance (RDA):
The average daily dietary nutrient intake level sufficient to meet the nutritional requirements of nearly all (97-98%) healthy persons in a particular life stage and gender group.
What is the risk of inadequacy with EAR?
Risk of inadequacy is 50%
What is the risk of inadequacy with RDA?
~2.5%
What is the UL?
Tolerable Upper Limit. Risk of ‘overdose’ is ~0.1%
What are the Fat Soluble Vitamins?
Vitamin A, D, E, K
What is the biologically active form of Vitamin A?
all-trans-retinol
What are the structural elements of Vitamin A?
- beta-ionone ring
- branched polyunsaturated acyl chain
- alcohol
What is Vitamin A found in?
Red, yellow, orange fruits and vegetables