nonessential amino acids


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non·es·sen·tial a·mi·no ac·ids

those amino acids that may be synthesized by an organism and are thus not required as such in its diet.

non·es·sen·tial a·mi·no ac·ids

(non'ĕ-sen'shăl ă-mē'nō as'idz)
Those amino acids that may be synthesized by an organism and are thus not required as such in its diet.
References in periodicals archive ?
The aim of our study is to establish a correlation between nonessential amino acids and atomic, molecular, and electronic effective cross sections and the total mass attenuation coefficients.
To test the relationship of ASNase hydrolysis of asparagine, F1B feline lymphoma cells were supplemented with nonessential amino acids (including L-asparagine) at standard concentration for mammalian cell culture (10 mL/L media).
(46) Free forms of amino acids, specifically the essential amino acids are absorbed quicker than that of the nonessential amino acids. (47) Along with exercise the intake of oral amino acids facilitates a decrease in muscle protein loss.
For most livestock species, the minimum protein requirement is determined from the animal's requirement for both the essential amino acids and the nitrogen sources needed for the manufacture of nonessential amino acids.
Casein is considered a complete, high quality protein that contains a full complement of the essential and nonessential amino acids, although it has been overshadowed by whey in the past despite its impressive profile.
"In Buchnera, the amazing thing is that they keep all the pathways for the essential amino acids and lose all the nonessential amino acids that there is no shortage of [in the host]," says Moran.
Amino acid compositions, including total amino acids (TAA), nonessential amino acids (NEAA), and essential amino acids (EAA) contents, were shown in Table 3.
Whereas the similar indicator for the nonessential amino acids was 1.5% lower (Table 4).
The glutamic acid and aspartic acid were dominant in the nonessential amino acids in both sexes in all seasons, whereas lysine, leucine, and threonine were the dominant among the essential amino acids.
In addition to the need for essential amino acids, the chicken's diet must contain enough protein (nonspecific nitrogen sources) to allow metabolic synthesis of the nonessential amino acids.
A549 cells were obtained from Health Science Research Resources Bank (Japan Health Sciences Foundation, Osaka, Japan) and grown in Earle's minimum essential medium with nonessential amino acids, 10% fetal bovine serum, 100 U/mL penicillin, and 100 [micro]g/mL streptomycin (Gibco BRL, Life Technologies, Inc., Rockville, MD, USA) in a humidified atmosphere of 5% C[O.sub.2], 95% air at 37[degrees]C.
Dietary lysine supplementation resulted in an increase in the plasma concentrations of free lysine, and a decrease in the concentrations of threonine, tyrosine, and some nonessential amino acids (Henry et al., 1992).