Results 11 to 20 of about 5,297,487 (306)

Xenogeneic, extracorporeal liver perfusion in primates improves the ratio of branched-chain amino acids to aromatic amino acids (Fischer's ratio) [PDF]

open access: yes, 1999
In fulminant hepatic failure (FHF), the development of hepatic encephalopathy is associated with grossly abnormal concentrations of plasma amino acids (PAA).
Puhl, G.   +7 more
core   +1 more source

Analytical Chemistry of Impurities in Amino Acids Used as Nutrients: Recommendations for Regulatory Risk Management

open access: yes, 2022
Proteinogenic amino acids are natural nutrients ingested daily from standard foods. Commercially manufactured amino acids are added to a wide range of nutritional products, including dietary supplements and regular foods.
Arashida, Naoko   +9 more
core   +1 more source

Free radical destruction of hydroxyl-containing amino acids

open access: yesЖурнал Белорусского государственного университета: Химия, 2019
А new way of the free radical ROS- and HOCl-induced destruction of serine, threonine, and their peptide derivatives due to the nitrogen-centered radicals formation and their subsequent decomposition with the side chain elimination has been established ...
Anastasia A. Sladkova   +3 more
doaj   +1 more source

Variations of Free Amino Acids during the Germination of Brown Foxtail Millet

open access: yesLiang you shipin ke-ji, 2022
Germination can improve the level of the free amino acid, and further improve the nutritious value of the foxtail millet. However, the effect of germination temperature and time on them is still unclear.
LIU Jing-ke   +7 more
doaj   +1 more source

Free amino acids in different Lotus species

open access: yesActa Societatis Botanicorum Poloniae, 2015
Studies on free amino acid pools in various organs of different Lotus species showed mature seeds to be distinguished by a high concentration of canavanine and by the presence of γ-glutamyltyrosine and γ-glutamylphenylalanine. In seeds of L.
J. Przybylska, B. Chwałek
doaj   +1 more source

Determination of free amino acids in cheeses from the Czech market

open access: yesCzech Journal of Food Sciences, 2009
High performance liquid chromatography (HPLC) method with the pre-column derivatisation by AccQ*Tag agent and following determination of these derivates after their separation in reverse phase column followed by fluorescent detection was used for the ...
Ivana Kabelová   +4 more
doaj   +1 more source

Synthesis of potentially bioactive PABA-related N-(aminoalkyl)lactamic amino acids and esters via selective SNAr reactions [PDF]

open access: yes, 2015
Potentially bioactive N-(aminoalkyl)lactamic amino acids and esters were synthesized in satisfactory to good yields by SNAr reactions of aromatic acids with N-(3-aminopropyl)lactams followed by esterification with tertiary amino alcohols.
Gonzalez, ERP   +6 more
core   +2 more sources

Determination of amino acids of some plants from Gentianaceae family [PDF]

open access: yesPharmacia, 2021
Medicines from plants are widely used in the complex treatment of different diseases every day. Therefore, theoretical and practical interest is the in-depth study of the herb of perspective plants like Centaurium erythraea Rafn. and Gentiana cruciata L.
Liliia Budniak   +4 more
doaj   +3 more sources

Optimization of the extraction process of free amino acids from Moringa oleifera leaves by response surface methodology

open access: yesSiliao yanjiu, 2021
In the study , Moringa oleifera leaves were used as the material and ethanol as the extractant, the extraction of free amino acids from Moringa oleifera leaves was carried out by ultrasonic,in order to determine the best process for extracting free amino
Zhong-yong CEN   +4 more
doaj  

THE ROLE OF HYPHAL CONTENTS OF AMINO ACIDS IN VIRULENCE OF Rhizoctonia solani (THE INCITANT OF BEAN ROOT ROT). [PDF]

open access: yesJournal of Plant Production, 2000
The quantitative and qualitative contents of free and total amino acids were estimated in hyphae of six isolates of Rhizoctonia solani. Such isolates were varied in their virulence on bean (Phasiolus vulgaris) Giza-3 cultivar.  It has been found that the
Aziza Darweish,
doaj   +1 more source

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