Roles of Vitamin C

Friday, 23 May 2014 0 comments

Vitamin C has many other names including L-Ascorbic acid, L-xyloascorbic acid, 3-oxo-L-gulofuranolactone, L-3-ketothreohexuronic acid lactone, antisorbutic vitamin, ascorbic acid and ascorbate. It is a water soluble vitamin which synthesized from glucose by many animals. In some mammals, it is synthesized in liver while birds and reptiles, it is synthesized in kidney. However, human and several species are unable to synthesize vitamin C. Insufficient vitamin C in diet can cause scurvy and lack of enzymatic functions.
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An Introduction of Carbohydrate

Tuesday, 20 May 2014 0 comments

Carbohydrate contains sugar that can provide primary energy for human being. It consists of monosaccharide, disaccharides and polysaccharides. Monosaccharide is a single component and cannot be broken down into simple sugar, while disaccharides and polysaccharides can be broken down into simple sugar. Carbohydrate can be found mostly in plant. It has many functions including act as storehouse of chemical energy (glucose and glycogen), as part of plants’ structures (cellulose), make up cell walls of fungi and exoskeleton of insects (chitin) and components of nucleic acids. 

A summary of photosynthesis to make carbohydrate
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