Thursday, January 13, 2011

Activity 2 1-13-11 Vitamin Solubllity

Show the chemical structure of vitamin C and Vitamin E and describe which one is water soluble and which is fat soluble.

Vitamin C

Vitamin E
Vitamin E or Tocopherol

Vitamin C is water soluble.
The two types of vitamins are classified by the materials in which they will dissolve. Fat-soluble vitamins -- vitamins A, D, E and K -- dissolve in fat before they are absorbed in the blood stream to carry out their functions. Excesses of these vitamins are stored in the liver. Because they are stored, they are not needed every day in the diet.
By contrast, water-soluble vitamins dissolve in water and are not stored; they are eliminated in urine. We need a continuous supply of them in our diets. The water-soluble vitamins are the B-complex group and vitamin C.

Vitamin E is fat soluble.
Vitamin E is found naturally in some foods, added to others, and available as a dietary supplement. "Vitamin E" is the collective name for a group of fat-soluble compounds with distinctive antioxidant activities.

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