subject: Know More About Vitamin A [print this page] The vitamin A belongs to the family of similar appearing molecules such as retinoids for the completing the remainders of vitamin sequence in the market. The important part of vitamin A is retinyl group which is occurs in various forms in the stores. In most animal foods the main content is vitamin A like an ester, basically retinyl palmitate converting into alcohol in the small intestine. In some products vitamin A is alsofound as aldehyde. Acid basically retinoic acid consists of vitamin A in small amount but not showing any function in retina of the eye of human body.
Consumers will find that all forms of vitamin A contains beta-ionone ring attached by iso pronoid chain basically. Such structure of vitamin A is required for vitamin activity in the body. The consumers of vitamin A can see that the orange pigment present in the carrots-beta -carotene produces two combined retinyl group for growing the level of vitamin A in the human body. Presently no other carotenes is having the vitamin A activity for performing abilities in them.
Consumers can find vitamin A in various forms such as retinol which is found while the consumption of animal food sources like yellow, fat-soluble; vitamin plays essential role in vision and bone growth of the body. Several other forms are retinoids which is a chemical compound representing vitamin A in the human bodies. Generally the vitamin A was found in 1906 showing that with carbohydrates, proteins, and fats is essential for both human and animals.
Consumers of vitamin A will also like to know in which food it is basically available so that they can consume them. Consumers will find vitamin A in liver of beef, chicken, turkey,fish, pork; sweet potato, carrot, broccoli leaf, kale, butter , spinach, leafy vegetables, pumpkin and many other things. In this way the role of intake of vitamin A becomes essential such as it plays an important role in vision,gene transcription, immune function, embryonic development and reproduction, bone metabolism, haematopoiesis, skin health, and antioxidant activities in the body.
