It07:Vitamin A

Vitamin A or, in its most common form, retinol is, by virtue of its many functions in the human body, an important part of any balanced diet.

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History

In 1906 it was being discovered that there were particular factors of food that were essential it to health. Between 1912 and 1914 vitamin A itself was discovered by Elmer V. Mccollum and M. Davis and in 1913, Thomas Osborne and Lafayette Mendel discovered, in butter, a nutrient, now known as vitamin A, that is fat soluble. The first synthesis of vitamin A was in 1947.

Other Forms

Vitamin A is found in forms other than its most common alcohol form, retinol. It is also found in an aldehyde form, retinal, and in a carboxylic acid form, retinoic acid.