NUTR 3210 Lecture Notes - Lecture 10: Proteinogenic Amino Acid, Pyrrolysine, Selenocysteine
20 Apr 2017
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Includes dietary fibre: dietary goal increase intake of non-digestible cho. Two essential fatty acids: alpha-linolenic (n-3) and linoleic (n-6) Key roles as precursors for signaling molecules, structural role in membranes, etc. Goal is to decrease intake of total fat (specifically sfa and trans fats) and increase of. Provides amino acids (aas) for protein synthesis and other areas of metabolism. 21 proteinogenic aas (i. e used to make protein: includes selenocysteine, 22 aas in reality but the 22nd amino acid, pyrrolysine is used by bacteria, not humans. 9 aas considered essential or indispensable for humans: histidine was the last aa to be added to the essential list. Health canada recommends a daily protein intake between 10-30: average consumption in north america about 16% of daily calories, we don"t need protein per se, but rather the aas in protein. Whole body average (overall): carbs 0. 2, minerals 2, protein 15, water 60, fat (lipid) 20-25%
