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Pritika Chand

on 16 October 2014

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Transcript of VITAMIN D


Vitamin Structure and the functional groups present
The Vitamin D we’re dealing with is Vitamin D3 (cholecalciferol), and Vitamin D2 (ergocalciferol). They are basically equivalent, the only difference is in their side-chain structure.
-Functional groups in cholecalciferol: hydroxyl group, three double bonds
-Functional groups in ergocalciferol: hydroxyl group, four double bonds
Solubility (water or fat) of the Vitamin
Vitamin D is soluble in fat, so it is stored in body tissue.
Causes of vitamin D deficiency
- not enough in your diet, such as following a vegan diet as most is found in animal based products.
-Limited exposure to the sun as vitamin D is synthesized in the skin when exposed to the sun, so being inside, living in northern latitudes, or covering your skin.
-Dark skin as the pigment melanin reduces synthesis.
-Kidneys cant convert vitamin D into its active form.
Effects of vitamin D deficiency
-loss in bone density
-weak bones
-greater risk of bone breakage
Food Sources of Vitamin's
Vitamin D is found in many commonly consumed foods, some of these include milk, soy, rice beverages ,and margarine. Good sources of vitamin D are found in fish, egg yolks and milk.
Chemistry 35- Hayden, Pritika, Sureya

Countries with
-Northern countries such as
Canada,USA,Russia, and europe.
-To prevent vitamin D deficiencies
you should take vitamin D
Vitamin D
-kidney stones
-poor appetite
-mucle weakness
- nausea
-overcalification of
bones and tissue
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