نتایج جستجو برای: d amino acids
تعداد نتایج: 886824 فیلتر نتایج به سال:
Amino acids (AA) are important in poultry nutrition not only for protein deposition, but also for other metabolic functions; such as improving immune and gut functions. Although, some table values are available on amino acids requirement, AA requirements may vary due to changes in dietary composition and breeding selection. Thus amino acids requirements have remained an ongoing research topic. ...
Securigera securidaca (L.) Degen & Dorfl grows in different parts of Iran. The seeds of the species are used in Iranian folk medicine as an anti-diabetic agent. Many studies have established hypoglycemic effects of amino acids and in the present investigation, amino acids of Securigera securidaca seeds have been evaluated. The ground seeds were extracted using petroleum ether,...
D-Amino acids are now increasingly recognized as physiologically functional molecules and biomarkers in mammals. However, the amounts of D-amino acids are extremely low in most cases, thus highly sensitive and selective analytical methods are practically essential. In the present review article, enantioselective two-dimensional high-performance liquid chromatographic (2D-HPLC) methods are intro...
ABSTRACT Background and Objective: Measurement of amino acids is an important tool for metabolic studies and evaluation of patients’ clinical condition. The aim of this study was to analyze the plasma amino acids using reverse phase high performance liquid chromatography techniques (RP-HPLC) with pre-column derivatization by o-phthalaldehyde (OPA)...
Peptide drug leads possess unusual structural features that allow them to exert their unique biological activities and ideal physicochemical properties. In particular, these peptides often have D-amino acids, therefore the absolute configurations of component amino acids be elucidated during determination newly isolated peptide leads. Recently, we developed highly sensitive labeling reagents D/...
In order to study the effects of various levels of protein in diet based on total and digestible amino acids on performance and carcass traits of broilers, an experiment was conducted as a completely randomized design with 288 broiler chicks from Cobb 500 strain in 6 treatments, each treatment consist of 3 replicates with 16 chicks per replicate. Treatments were the diets as follow: 1) diet for...
D-Amino acids have recently been found to be present in mammals, and their synthetic pathways require investigation. We analyzed D- L-amino HepG2 cells using the Nα-(5-fluoro-2,4-dinitrophenyl)-L-leucinamide (FDLA) chiral derivatization method for liquid chromatography-tandem mass spectrometry (LC/MS/MS). D-Asp D-Ser were detected culture medium, concentrations of these amino increased a time-d...
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