Functions of carbohydrates,vitamisn,fats,minerals,protein,h2O Essay

Functions of carbohydrates,vitamisn,fats,minerals,protein,h2O - Essay Examplenly used it is normally obtained as a result of digestion of such disaccharides (double sugars) as a source of cane sugar, maltose from cereal grains or from polysaccharides The glucose level of the blood is stabilized by storage of surplus amounts of glycogen (body starch), and their subsequent reconversion and deprivation at a later time when blood levels again become low. Fructose and galactose be two other simple sugars that may be utilized directly for energy production Carbohydrates contain three elements carbon, oxygen and nitrogen their relatively high oxygen content enables them to oxidize cleanly, yielding sole(prenominal) carbondioxide and waste product, thus making them a very efficient energy source. Although caloric needs may also be met by fats and proteins, a token(prenominal) amount of carbohydrates is essential for safe metabolism of fats.Fats reduced to 25% or less, is the minimum amou nt which is needed for good health. One of its most valuable functions is the change of the fat soluble vitamins A and D which are essential to life itself. A moderate amount of fat in ones nutrition can increase and maintain the feeling of satiety or satisfaction following a meal because it slows the rate at which food is moved give away of the stomach. The relatively high carbon and hydrogen content of fat makes it highly concentrated source of fuel, a dietary feature that is sometimes useful during frigid weather when caloric needs are high. A moderate amount of stored fat is also useful as a means of insulation against cool and as a protection for certain vital organs such as kidneys.Proteins contain nitrogen and sulphur, in addition to carbon, hydrogen and oxygen as in carbohydrates and fats. Their molecular structure is quite complex and consists of numerous smaller components termed amino acids. Although the body can synthesize many of the 23 amino acids that are known t o exists, 8 of these essential components cannot be synthesized and must be obtained from ones diet.