NUTR 30300 Lecture Notes - Lecture 7: Cardiothoracic Surgery, Protein Quality, Malnutrition
28 Oct 2018
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Document Summary
Are the nitrogen-containing molecules that link together to form proteins. Nine of 20 amino acids in our bodies are essential. Quantity total amount, rda numbers reflect this concept. Quality-proportion of essential amino acids in the foods that we eat relative to what we need. Most animal source proteins are complete- provide the right proportions of all essential amino acids. Consuming complete protein from plants is easily achieved with complementary foods. Nitrogen balance-nitrogen intake is protein vs. nitrogen output is mostly urea in the urine. 8 grams per kilogram body weight for a healthy nonathlete adult. Condition resulting from regularly consuming insufficient amount of energy and protein. Pem results in stunted growth in children. Inadequate nutrient absorption or utilization increase requirements, increases losses. Aids, cancer patients, children with failure to thrive, kidney, liver and gi disease. Supplies all of the essential amino acids. Standards are milk protein and egg whites.
