HNFE 1004 Lecture Notes - Lecture 8: Quinoa, Cysteine, Structural Material
13 Nov 2017
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Document Summary
In the united states, most of us eat plenty of protein to meet our needs. 0. 8 g/kg of body weight for adults. Needs are higher during growth and pregnancy. Amino acids linked together by peptide bonds. Nearly 22,000 unique proteins in human body. After translation, amino acid chains fold into a particular shape. The shape and charge of the side chain make the protein structure. Shape determines the function of the protein. Caused by heat, light, change in ph, alcohol, or motion. Food proteins are denatured in the acid of the stomach. Pepsin is a protein (enzyme) needing acid to function. Adults 50 to 65 years of age. 0. 7 to 0. 8 g/kg of body weight/day is beneficial. 1. 2 g/kg of body weight/day is beneficial. Reduces loss of lean body mass, reduces the risk of disability. Complementary protein: combining foods to make a complete protein. Affects children that have been nursed but is abruptly weaned.
