| 单词 | essential amino acid |
| 释义 | essential amino acid (once / 590966 pages) n WORD FAMILY essential amino acid: essential amino acids USAGE EXAMPLESA “complete” protein contains all nine essential amino acids — and quinoa is one of relatively few plant-based foods in this category. Washington Post(Aug 24, 2016) Protein provides the essential amino acids athletes need to recover and rebuild post-exercise. US News(Aug 04, 2016) “If you look into the protein sequences, they have all the essential amino acids.” Time(Jul 26, 2016) n an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet Hypo|Hyper arginine a bitter tasting amino acid found in proteins and necessary for nutrition; its absence from the diet leads to a reduced production of spermatozoa histidinean essential amino acid found in proteins that is important for the growth and repair of tissue isoleucinean essential amino acid found in proteins; isomeric with leucine leucinea white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins lysinean essential amino acid found in proteins; occurs especially in gelatin and casein methioninea crystalline amino acid containing sulfur; found in most proteins and essential for nutrition phenylalaninean essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body threoninea colorless crystalline amino acid found in protein; occurs in the hydrolysates of certain proteins; an essential component of human nutrition tryptophan, tryptophanean amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin valinean essential amino acid found in proteins; important for growth in children and nitrogen balance in adults amino acid, aminoalkanoic acid organic compounds containing an amino group and a carboxylic acid group |
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