Vitamins-Fat Soluble Flashcards
What vitamin is stored in the liver but has a precursor stored in fat?
Vitamin A
What is the vitamin found in liver, fish oil and in orange & yellow plant material?
Vitamin A
What is vitamin A used for in the body?
Cell synthesis and vision
What pigment is responsible for rods and sight in dim light?
Rhodopsin
What pigment is responsible for comes and sight in colour and bright light?
Iodopsin
A deficiency in what causes night blindness?
Vitamin A
What vitamin can be toxic but it’s precursor is not?
Vitamin A
What is the precursor of vitamin A?
Carotenes
What are the three species of animals that have a vitamin A requirement?
Cats, marine birds and SOME mammals
What are the three species of animals that do not require vitamin A in their diet?
Dogs, foxes and mink
What are the two vitamin D derivatives?
D3 - cholecalciferol
D2 - ergocalciferol
Where does cholecalciferol (D3) come from?
UV light on plants
Where does ergo calciferol come from?
UV light on animal skin
What vitamin aids in calcium and phosphate deposition and resorption in bones and teeth?
Vitamin D
Where is vitamin D stored?
In the liver and fat (same as vitamin A)