D.1 Human nutrition – essential nutrients

Not all nutrients required by the body, are synthesized by the body. An example of these are the essential and non-essential amino acids. Essential amino acids are those that are not synthezied and are therefore "essential" in our diet. FYI - You do NOT need to learn the names of the essential or non-essential amino acids. Vitamins are organic compounds that are required in small amounts in order for effective metabolism. They cannot be synthesized by the body and all have ...

Vitamin C

Out of all of the vitamins, vitamin C (or ascorbic acid or 2-oxo-L-threo-hexono-1,4- lactone-2,3-enediol or (R)-3,4-dihydroxy-5-((S)- 1,2-dihydroxyethyl)furan-2(5H)-one!) is probably the most well known. Image kindly reproduced according to the licence at: http://en.wikipedia.org/wiki/File:L-Ascorbic_acid.svg Image kindly reproduced according to the licence at: http://en.wikipedia.org/wiki/File:Ascorbic-acid-from-xtal-1997-3D-balls.png Vitamin C is an antioxidant. An antioxidant is capable of stopping the oxidation of other molecules. Humans have lost the gene (through mutations)  that is responsible for making ascorbic acid and so it must be obtained through the diet. Other animals do not ...