Wca Protein


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Wca Protein

  1. 1. The Importance of Protein<br />
  2. 2. Lesson Objectives<br />1.Identify primary functions of protein in the body<br />2.Distinguish difference between complete & incomplete protein<br />3.Know which foods are high quality sources of protein<br />4.Differentiate between marasmus & kwashiorkor<br />
  3. 3. Fast Facts About Protein<br />Nutrient that supplies energy for the body <br />1 gram of protein=4 calories<br />Necessary for growth & repair of body tissue<br />Tissue building is its primary production<br />Production of energy is a secondary function<br />Used for the regulation of body processes<br />Quality doesn’t solely on amino acid content<br />Also includes how well the body makes use of it<br />Protein Efficiency Rating (PER)<br />
  4. 4. Composition of Protein<br />Protein is a long chain of amino acids<br />Body has the ability to produce most amino acids<br />20 amino acids are important to human nutrition<br />Nine of which are essential<br />Protein sources containing all nine are complete proteins<br />Others known as incomplete proteins<br />
  5. 5. Differentiating Between Complete and Incomplete Proteins<br />Most animal proteins are complete<br />Many plant proteins are incomplete<br />Important for vegetarians to note<br />By combining vegetables and grains, all essential amino acids can be received<br />
  6. 6. Complete Proteins<br />
  7. 7. Incomplete Proteins<br />
  8. 8. Understanding Protein & Discerning Misnomers <br />Assumption that eating more protein adds muscle<br />Exercise, not increased protein muscle<br />Has proven to be harmful<br />This “craze” brought in part by coaches<br />This has shifted to an emphasis to on high-carb diet<br />Average American gets far more protein than can be used for growth & protein<br />Excess protein stored as fat<br />
  9. 9. Protein Related Illnesses<br />Not common in the United States<br />Much more prevalent in 3rd world countries<br />Especially where deprivation and malnutrition is an issue<br />Marasmus and Kwashiorkor<br />Related to protein deficiency<br />Excess in protein also produces problems<br />
  10. 10. Kwashiokor<br />(KWA shee OR KOR)<br />The “Sickness the older child gets when the next baby is born.”<br />Often due to a switch in diets<br />Caused by a deficiency of protein <br />Can be qualitative or quantitative<br />Symptoms include: swelling (of the face, feet, and belly) thinning hair, discolored, flaking, and cracked skin<br />
  11. 11.
  12. 12. Marasmus<br />(muh RAZ mus)<br />Marasmus is starvation from a lack of food<br />Stems from a lack of calories or food in a diet<br />Primary symptom is extreme emaciation<br />The sufferer is often weak, listless, and an easy target for infection and disease<br />Body weight can be reduced up to 80 % of the normal weight for that height<br />
  13. 13. Protein Excess<br />High prevalence in the states<br />Relates to athletics<br />Contributing factor to obesity<br />Excess protein stored as fat<br />May also contribute to dehydration<br />Breaking down of proteins requires large amounts of water<br />Intake of abundance of protein has been linked to calcium loss<br />
  14. 14. Other Musings<br />Amount of needed protein varies on an individual basis<br />Factors include: age, body size, quality of proteins, physical state of the person, growth rate, absence or presence of illness<br />2-3 servings per day normally adequate<br />Important to obtain quality proteins such as:<br />Lean meat, fish, poultry, milk and eggs<br />For vegetarians fruits or veggies in tandem with grains is a wise choice<br />
  15. 15. http://www.edietstar.com/shapeworks/protein.html<br />
  16. 16. Links of Interest<br />http://www.toomuchhart.blogspot.com/<br />http://www.livestrong.com/myplate/<br />