essential amino acid


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essential amino acid

An amino acid that is required for growth and development but that cannot be produced by the body and must be obtained from food. The essential amino acids are histidine, isoleucine, leucine, lysine, methionine, cysteine, phenylalanine, tyrosine, threonine, tryptophan, and valine. Synonym: indispensable amino acid
See also: amino acid

essential amino acid

an AMINO ACID that must be taken in via the diet, as distinct from nonessential amino acids, which can be synthesized by the organism itself, in a process called TRANSAMINATION, using the essential amino acids as a source. In humans there are ten essential amino acids: ARGININE, TRYPTOPHAN, ISOLEUCINE, METHIONINE, THREONINE, LYSINE, LEUCINE, VALINE, HISTIDINE and PHENYLALANINE.
References in periodicals archive ?
The presence of essential amino acids and polyunsaturated fatty acids in silkworm meal may lead to better sensory scores (Qiao et al., 2016), which were observed in the present study.
Table 5 contains data regarding the limiting amino acids, as well as the 11 essential amino acids. In order to provide more detailed information, the values of particular essential amino acids exceeding 100 have not been rounded.
Table 2 shows a comparison of the essential amino acids content of normal maize ogi and whey-maize ogi.
The results in Table V indicated that contents of all the tested essential amino acids were improved substantially by the supplementation of PDF and FFF in the wheat flours.
The proximate composition showed that it can satisfy the basic nutritional requirements such as carbohydrate, fats and essential amino acids of protein, especially when combined.
Multiple sources of protein promote protein synthesis after exercise, but only those with essential amino acids elevate synthesis.
It can be used throughout life as a protein source that is extremely low in phenylalanine and balanced for the remaining essential amino acids.
There is a decreased plasma concentration of most essential amino acids. A reduced food intake and prolonged protein deprivation affect essential amino acid profiles and particularly branched-chain amino acid levels, since those amino acids are ingested with food intake.
The agency now goes so far as to say that the essential amino acid itself could be the culprit.
[ClickPress, Mon Nov 26 2018] Lysine Market I ntroduction: Lysine is one of the nine essential amino acid, an essential amino acid implies that it is not made by the human body or is made in a significantly low quantity.
All plant foods contain at least some of every essential amino acid, but in general, legumes are lower in methionine and most other plant foods are lower in lysine.