..... called provitamin A

carotenoids convert to Retinoids in the body

Vitamin A are stored in

Excess vitamin A cause

Important for dark adaptation and cell defferentiation

Vitamin A has role in immunity by maturity of B lymphocytes and RBCs

When Retinal bound with opsin protein we get rhodopsin which is important for vision in the light

Vitamin A is important in cell defferentiation to convert mature cells to immature cells

Carotenoids are not toxic

Excess of vitamin a cause

ocular change Which results from deficiency of Vitamin A includes

Extra ocular change includes growth retardation and anemia

Kertatenization of epithelial is one of extra ocular change due to deficiency of Vitamin c

Deficiency of folate leads to

Source of Retinoids is animal but source of carotenoids is plants

Vitamin D3 is a sterol derived from vitamin D called

Humans and animal utilize only vitamin D3 & they can produce it inside their bodies from cholesterol

Cholesterol is converted to .................... which is a precursor of vitamin D3

Exposure to the ultraviolet rays in the sunlight convert 7DC to

the active form of vitamin D3