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Vitamin A
Essay specific features
Written by:
Valerie Q
Date added:
December 26, 2015
Level:
University
Grade:
B
No of pages / words:
3 / 684
Was viewed:
1514 times
Rating of current essay:
Essay content:
It was named due to the fact that the “water-soluble factor B” (Vitamin B) had just recently been discovered and therefore researchers chose the name “fat-soluble factor A” (Vitamin A).
Vitamin A does not a take on a very complex structure. “Retinol is the immediate precursor to two important active metabolites: retinal, which plays a critical role in vision, and retinoic acid, which serves as an intracellular messenger that affects transcription of a number of genes...
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“Retinol is the immediate precursor to two important active metabolites: retinal, which plays a critical role in vision, and retinoic acid, which serves as an intracellular messenger that affects transcription of a number of genes.” (Lancet, 1995) It is structurally related to carotene. “Carotene is converted into Vitamin A in the liver...
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