Ascorbic Acid

 

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Ascorbic acid
Ascorbic Acid
Ascorbic Acid
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Introduction:
Although some animals gather some vitamins and all animals in need of vitamin D can be synthesized from ergosterol in the presence of UV light, is still accurate mechanism of action of many vitamins is not understandable. Small amounts of the vitamins necessary to regulate all bodily processes. The exception of vitamin D, and the human body can not make their own vitamins, and can not store some of the possible. Vitamins must therefore be obtained from food on a daily basis. Must be a person's diet provide all the necessary vitamins.
Vitamin C or ascorbic acid is a form of enolic 3 - oxo-L-gulofuranolactone. Can be prepared by synthesis of glucose, or extracted from plant sources such as Rose hips, blackcurrants or citrus fruits. Easily oxidized in air. It is essential for the formation of collagen and materials between the cells, bones, teeth and wound healing. It helps maintain the elasticity of the skin helps to absorb iron and improves resistance to infection. It is used in the treatment of scurvy. May prevent the occurrence and development of cancer.
The man is one of the few mammals unable to manufacture ascorbic acid in the liver.
Good sources of vitamin C, cauliflower, Brussels sprouts, cauliflower, cabbage, white beans, and leafy green vegetables, red pepper, chilies, watercress, parsley and blackcurrants, strawberries, kiwi fruit, guava, and citrus fruits.

Physical and chemical properties.:
It is odorless or almost odorless.
Has, a nice sharp taste acidic.
Which is freely soluble in water, soluble in ethanol, sparingly. It is practically insoluble in ether and chloroform.
Ascorbic acid have PKA values of 4.2 and 11.6.
Ascorbic acid has a melting temperature of 190C with decomposition.
The 5 solution in water has a pH of 2.5 to 2.2.
In impure preparations and natural products in many vitamin oxidizes in exposure to air and light.

 
 
Related Keywords: ascorbic, antioxidants, preservatives, hyaluronic acid, fulvic acid, lead acid battery, sealed lead acid battery, acid pump,
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