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  #1  
Old Monday, October 23, 2006
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Default Vitamins

VITAMINS
The Vitamins are necessary auxiliaries in metabolism. They combine with specific proteins, as parts of various oxidative enzyme systems which are concerned with the breakdown of carbohydrates, proteins, and fat in the body. Thus, they are intimately involved in the mechanism which releases energy, carbon dioxide and water as the end products of metabolism.
Vitamins can be broadly divided into Fat Soluble and Water Soluble Vitamins. Vitamins A D E and K are fat-soluble vitamins. Vitamins B ( B1 B2 B6 B12 ) and C are water-soluble.

[B]Vitamin - A[/B]
Year 1913
Chemical Name: Retinol
Main Metabolic Function Essential for normal growth and development.
For normal function of epithelical cells and normal development of teeth and bones.
Prevents Night blindness.
Deficiency - Effects Retarded growth.
Reduced resistance to infection.
Abnormal function of gastrointestinal, and respiratory tracts due to altered epithelial membranes.
Interferes with production of "night purple".
Available Milk, Egg yolk, Ghee, Butter, Carrots, Tomatoes, Leafy and Yellow vegetables, Cod liver oil and Fresh fruits.
Nature Fat-Soluble

Vitamin - B1


Year 1936
Chemical Name Thiamin
Main Metabolic Function An important aid in carbohydrate metabolism.
Needed for Proper functioning of the digestive tract and nervous system.
Beriberi.
Loss of muscle.
Deficiency - Effects Loss of appetite.
Impaired digestion of starches and sugars.
Various nervous disorder coordination.
Available Peas, Beans and Cereals.
Nature Water-Soluble

Vitamin - B2
Year 1935
Chemical Name Riboflavin
Main Metabolic Function Needed in formation of certain enzymes and in cellular oxidation.
Prevents inflammation of oral mucous membranes and the tongue.
Deficiency - Effects Impaired growth, lassitude and weakness.
Causes cheillosis or glossittis.
May result in Photophobia and cataracts.
Available Peas, Beans and Cereals.
Nature Water-Soluble

Vitamin - B6
Year 1934
Chemical Name Pyridoxine
Main Metabolic Function Acts as do other B vitamins.
To break down protein, carbohydrate and fat.
Acts as a catalyst in the formation of niacin from tryptophan.
Deficiency - Effects Increased irritability, convulsions and peripheral neuritis.
Anorexia, nausea and vomiting.
Available Peas, Beans and Cereals.
Nature Water-Soluble

Vitamin - B12
Year 1948
Chemical Name Cyanocobalamin
Main Metabolic Function Essential for development of red blood cells.
Required for maintenance of skin, nerve tissues, bone and muscles.
Deficiency - Effects Results in pernicious anaemia.
Weakness, fatigue, sore and cracked lips.
Available Peas, Beans and Cereals.
Nature Water-Soluble

Vitamin - C
Year 1919
Chemical Name Ascorbic Acid
Main Metabolic Function Needed for form the cementing substance, collagen, in various tissues (skin, dentine, cartilage and bone matrix).
Assists in woundhealing and bone fractures.
Deficiency - Effects Lowered resistance to infections.
Susceptibility to dental cavities, pyotthea and bleeding gums.
Delayed wound healing.
Specific treatment for Scurvy.
Available Fresh vegetables, Lemon, Orange, Tomatoes, Cabbage , Turnip and Lettuce (Beetroot).
Nature Water-Soluble

Vitamin - D


Year 1925
Chemical Name Cholecalciferol
Main Metabolic Function Requlates absorption of calcium and phosphorus from the intestinal tract.
Affords antiachitic activity.
Deficiency - Effects Interferes with utilisation of calcium and phosphorus in bone and teeth formation.
Development of bone disease, rickets and caries.
Available Butter, Milk, Ghee, Cod liver oil, Yolk of Eggs and also in Sunrays.
Nature Fat-Soluble

Vitamin - E
Year 1936
Chemical Name Tocopherols
Main Metabolic Function Protects tissues, cell membranes and Vitamin A against peroxidation.
Helps strengthen red blood cells.
Deficiency - Effects Decreased red blood cell resistance to rupture.
Available Germinating Wheat.
Nature Fat-Soluble

Vitamin - K
Year 1935
Chemical Name Phytomenadione
Main Metabolic Function Essential for formation of normal amounts of prothrombin and blood coagulation.
Deficiency - Effects diminished blood clotting time.
Increased incidence of hemorrhages.
Available Fish, Wheat and Oats.
Nature Fat-Soluble
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  #2  
Old Monday, October 23, 2006
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Good Work.....
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Old Monday, October 23, 2006
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Good work Ummera but i would like to have the reference of this work because have to go for something through that.

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Old Monday, October 23, 2006
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@Ummera

Good post

And rightly mentioned by I M Possible, if you post the reference of such information, it'll help a novice learner like me to quote the same in exam.



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Old Thursday, October 26, 2006
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Qurratulain

so can visit this website ,there r so many General knowledge Topics included Vitamins
http://www.winentrance.com/gk.htm
http://www.winentrance.com/vitamins.asp

ummera iqbal
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  #6  
Old Thursday, October 26, 2006
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Thnx ummera. The source is pretty generous for us.

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Old Friday, October 27, 2006
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\liked It....problems But,,,,,,its Ok
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