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Vitamin A - Coggle Diagram
Vitamin A
Sources
Retinal
Eggs
Milk
Fish Liver Oil
Butter
Beta-Carotene
Carrots
Tomatoes
Red Peppers
Forms
Retinal
(Pure Vitamin A)
Fat Soluble
Insoluble in Water
Heat Stable
Destroyed by Oxygen
Easily absorbed by the body and is
stored in the liver
Beta-Carotene
(Pro-Vitamin A)
Heat Stable
Insoluble in Water
Fat Soluble
Not easily absorbed by the body
converted into retinal in the lining of the intestine
Unaffected by Oxygen
Functions
Healthy Skin & the Mucous Membrane
Growth & Development of Children
Required to make rhodopsin found in the retina
Beta-Carotene acts as a powerful antioxidant
Deficiency Disease
Night Blindness
Stunted Growth
Risk of Cancer, CHD & Strokes
RI
Children
400-500 ug
Adults
600-700 ug
Pregnant Women
700 ug