Vitamin+D

[|cholecalciferol] Vitamin D3 (Cholecalciferol) By: Mario  

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Basic Information __ Molecular Formula-C27H44O Molar Mass- 384.64 g/mol Appearance- White crystals Melting Point- 83-86 degrees Celsius

Vitamin D3 has 3 forms -[|Cholecalciferol] -[|Calcidiol] -[|Calcitriol]

Discovery\Background  Around 1870, scientists believed there was a substance in cod-liver oil that treated the bone disease [|rickets]. A scientist by the name of [|Sir Edward Mellanby] significantly contributed to the rule of the level of Vitamin D in your body. Around 1920, a [|Universtiy of California] study conducted an experiemnt consisting with Sir Mellanby and dogs. He worked with the young puppies in which he raised indoors. They were kept away from sun exposer and uv rays. Advised a diet that consisted of low-fat milk and bread that allowed him to establish rickets. Other scientist that helped contribute to the use of [|Viatmin D] were [|Adolf Windaus] and [|E.V. McCollum].

Vitamin D in Fish: Cod Herring Mackerel Sardines Tuna  Structure 

3-D Model of Cholecaciferol



Uses  Is a fat-soluble vitamin which plays an important role in regulating [|calcium], [|phosphorus], and minerals in the human body. Vitamin D's most important fact is that it promotes normal bone development. Vitamin D supplements are used to treat and prevent vitamin D deficiencies. Vitamin D helps prevent Rickets, Muscle Cramps, Calcium Disorders and phosphate disorders. It helps the regulation of [|parathyroid hormones].

Chemical Reactions  After the consumption of Vitamin D, reactions in the body will occur. First, it will react in the liver and then in the kidneys. They change the Vitamin D into hormones. These hormones participate in the absorption of calcium into the bloodstream and bones.

Citations  "Vitamin D".Wikipedia.11/18/09<http://en.wikipedia.org/wiki/Vitamin_D "Cholecalciferol".Wikipedia.11/18/09<http://wikipedia.org/wiki/Cholecalciferol Webmaster."History of Vitamin D".VItamind.12/01/99<http://vitamind.ucr.edu/history.html "vitaminD".EncyclopediaBritannica.Encyclopedia Britannica Online.11/20/09<http://www.britannica.com/EBchecked/topic/631106/vitamin-D Adams,Mike. "Vitamin D myths, facts, and statistics".Natural News.1/1/2005<http://www.naturalnews.com/002069.html Sahelian,Ray. "Cholecalciderol benefit versus ergoalciferol".RaySahelain. Date N/A<http://www.raysahelian.com/cholecalciferol.html

Pictures

"Cholecalciferol.3d".CreativeCommons.11/21/09<http://www.commons.wikimedia.org "Cholecalciferol-SimplerStructure". CreativeCommons.11/21/09<http://www.commons.wikimedia.org "Vitamin D Pills".CreativeCommons.6/12/09<http://www.research.utoronto.ca/headlines/high-doses-of-vitamin-d-cut-ms-relapses/