Sunday, August 28, 2011

Vitamin A

Vitamin A is a vitamin that is needed by the retina of the eye in the form of a specific metabolite.In foods of animal origin, the major form of vitamin A is an ester, primarily retinyl palmitate.The carotenoid beta-cryptoxanthin possesses an ionone group and has vitamin activity in humans.The orange pigment of carrots – beta-carotene – can be represented as two connected retinyl groups, which are used in the body to contribute to vitamin A levels.
In other words, the IUs that these foods were reported to contain were worth much less than the same number of IUs of fat-dissolved oils and (to some extent) supplements. This is important for vegetarians, as Night blindness is prevalent in countries where little meat or vitamin A-fortified food additives are available.For healthy breastfed infants, the AI is the mean intake.
Vitamin A is A visual cells in experience of weak light venous blood components of venous blood by depending on the protein and quality is 11-the-retinaldehyde composition, and dark vision about. Plant tissues have not yet found vitamin A. Lack of vitamin A, affect human body, such as the ability to adapt to dark children dysplasia, the skin is dry, dry eyes, night blindness, etc.
Vitamin A, namely the various carotene, exists in plant food, such as vegetables, yellow, green vegetables and fruit class, content is the rich have spinach, alfalfa, peas seedlings, hearts sweet potatoes and carrots, green peppers, pumpkins, etc.; Another kind is from animal food vitamin A.Children's lack of vitamin A, the first appeared, followed the whole body night blindness is most epithelial tissue cutin degeneration and happen A secondary infection. Reason have inadequate intake, absorb bad, consume too much and metabolic resistance. The disease is seen in infants.

Other products:  Xanthan Gum             Vitamin E            Folic acid

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