essential amino acid

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essen′tial ami′no ac′id

any amino acid that is required for life and growth but is not produced in the body, or is produced in insufficient amounts, and must be supplied by protein in the diet.
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Noun1.essential amino acid - an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
amino acid, aminoalkanoic acid - organic compounds containing an amino group and a carboxylic acid group; "proteins are composed of various proportions of about 20 common amino acids"
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
histidine - an essential amino acid found in proteins that is important for the growth and repair of tissue
isoleucine - an essential amino acid found in proteins; isomeric with leucine
leucine - a white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins
lysine - an essential amino acid found in proteins; occurs especially in gelatin and casein
methionine - a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition
phenylalanine - an 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
threonine - a colorless crystalline amino acid found in protein; occurs in the hydrolysates of certain proteins; an essential component of human nutrition
tryptophan, tryptophane - an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin
valine - an essential amino acid found in proteins; important for growth in children and nitrogen balance in adults
esenciální aminokyselina
References in periodicals archive ?
Evonik has over 60 years of experience in the production of essential amino acids and provides solutions for efficient and sustainable animal nutrition to customers in over one hundred countries around the world.
Thrivealso contains nine essential amino acids, as well as minerals, dietary fibre, proteins and antioxidants to meet the demands of an active lifestyle.
0 Valine (*) Alanine Arginine Aspartic acid Cysteine (*) Glycine Glutamic acid Proline Serine Tyrosine Total (*) Essential amino acid (1) Reference data for children 3-10 years; WHO [11] (2) Essential for children (3)Sum of Methionine and Cysteine (4)Sum of Phenylalinene + Tyrosine Table 3: Monomeric composition of dietary fibre in kernels of Adansonia digitata and Sclerocarya birrea (mean [+ or -] standard deviation) n=2 (% of dietary fibre) [+ or -]SD Insoluble Soluble Insoluble dietary fibre dietary fibre dietary fibre Adansoni a digitata Sclerocary Rhamnose 1.
2005) collagen fibres present a reduced quantity of essential amino acid in their composition.
The present investigation revealed that leucine was the major amino acid in casein while lysine was second among all essential amino acids as shown in Figure 1.
However, this is contrary to the findings of Mohammad and Alim (2012) who reported higher essential amino acid contents in herbivorous fish species.
Whey is nutritious co-product of cheese manufacturing industry with great potential for diverse food applications due to its high quality proteins and essential amino acids.
Since the amino acid requirements of a growing animal are known to be reflected by its amino acid composition (Mitchell, 1950), the ideal protein concept that uses the relationships of each essential amino acid profile in relation to lysine has been developed as a basis to formulate diets for fish (Furuya et al.
They are composed of all the essential amino acids, have excellent nutritional properties, and have a minimum protein content of about 90%.
341% L-glutamic acid for Dekalb Brown hens with 34-54 weeks age proved to be more effective with the addition of essential amino acids and glutamic acid (non-essential amino acid), it was possible a reduction of 1.
It also does not have harmful effects when consumed and the high availability of essential amino acids indicate its potential for future supplement/formulation of foods and as alternative source of protein for human consumption.
Table V: Essential amino acid contents (g/100 g) of selected unleavened flat breads