Vitamin A : deficiency, food sources and functions
vitamin A is one of the fat soluble vitamin, has vital functions in body. vitamin A is related to retinoid group and beta carotene is converted into vitamin a in body.
vitamin A deficiency leads to night blindness
functions of vitamin A :-
vitamin A has number of vital functions in the body.
- helps in vision
- gene transcription
- maintains healthy skin
- supports immunity
- beneficial in embryonic development and reproduction
- reduces risk of cardiac diseases and cancer.
- acts as antioxidant in body.
food sources of vitamin A:-
- liver
- carrot
- papaya
- sweet potato
- yellow fruits
- fish liver oil
- butter, cheese,
- spinach and
- green leaf vegetables are main sources of vitamin A.
recommended daily allowance of vitamin A: 600 to 800 micro grams.