PROTEINS
PROTEINS • Proteins are large, complex, organic compounds made up of carbon, hydrogen, oxygen, and nitrogen • Basic material of every living cell • Only nutrient that can make new cells and rebuild tissues • Amino acids are the basic units of it Each amino acid contains a carboxyl group (COOH) or acid group and an amino group (NH 2 ) or basic group • Proteins consist of chains of amino acids that are linked to each other by a peptide linkage (-CO-NH-) • Protein (containing 16% nitrogen) content measured by nitrogen content. Hence,1 gm nitrogen = 6.25 g protein Essential Amino Acids • Cannot be synthesized in sufficient amounts by body • Must be provided by diet, hence ver...