Free «Proteins Review» Essay Sample

Protein is perceived to mean each tissue, cell and organs within our bodies. The proteins in our body are continuously being crashed and replaced. Once we eat food with protein, it is assimilated into amino acids. These amino acids later substitute the proteins within our bodies. Foods such as meats, legume, eggs, tofu, nuts, seeds, milk, grains, some vegetables and some fruits are all sources of proteins.

Proteins are of two types. They are labeled according to their source. A complete origin of protein is that, which supplies all the amino acids that are deemed essential. They are also termed as high quality proteins. They come from animal-based foods like meat, fish, eggs, cheese, poultry and milk. A protein source that is deemed incomplete is that with low supply of solitary or more amino acids, which are essential. Several incomplete proteins, which together supply sufficient quantities of all essential amino acids are called complementary proteins. For example, beans and rice are complementary proteins since each contains certain essential amino acids in high and low amounts in an alternating manner. Proteins are built by amino acids. Amino acids are building blocks for proteins. The joining together of twenty distinct amino acids make all kinds of proteins. Essential amino acids are those that our bodies cannot be able to make. They are required to be provided by our daily diet.

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Excess consumption of proteins is associated with augmented excretion of urea. This means that there is increased amino acids oxidation. Ultimately, there is protein oxidation and excretion. The body fails in storing excess proteins. The body organs like the liver and the kidneys, which perform the processes of deamination and urea cycle can only perform under any additional workload. Nonetheless, if there are complications in the organs, overconsumption of proteins is a problem. The excess amino acids from excess protein intake are converted to storage forms like ketones or glucose. Nevertheless, this reserve cannot be utilized as storage for long-term future needs. Another issue is the excretion of calcium in urine. This can lead to kidney stones risk. There are associations between protein intake and blood pressure.

There are various ailments caused by deficiency of protein and malnutrition. The ailments are like kwashiorkor and mental retardation. The signs of kwashiorkor are diarrhea, failure to grow inactivity, fatty liver, flaky skin and legs and belly edema. The edema is expounded by the processes behind formation of leukotrienes. The usual functioning of proteins in lipoprotein transport and fluid balance can also clarify the edema. Children in the age between 1-3 years need 13 grams of protein daily. 19 grams of protein are needed daily by children aged between 4-8 years. Those between the ages 9-13 years require 34 grams of protein each day. As years advance, the daily protein requirements between boys and girls vary. In the ages between 14-18 years, girls require 46 grams while boys require 52 grams. From 19 years and onwards, women require only 46grams per day while men need 56 grams daily.

Some healthy sources of meat include a cup of milk, a meat piece weighing 3 ounce, a cup of dehydrated beans and a yoghurt container weighing 8 ounce. A diet with high protein contains effects such as augmented Osteoporosis risk. This refers to the loss of bone density. It causes strains to the kidneys. This is so when the kidneys are forced to filter amino acids and calcium in addition to filtering urea. Damages to internal organs are also associated to diets with high protein quantities. This is caused by the digestion of high amounts of fats in the body.

   

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