Results 31 to 40 of about 203,869 (259)

A transaminase with β-activity from Variovorax boronicumulans for the production of enantiopure β-amino acids

open access: yesHeliyon, 2023
Enantioselective transamination of amino acids is a great challenge in biotechnology as suitable enzymes with wide substrate spectrum are rare. Here, we present a new transaminase from Variovorax boronicumulans (VboTA, Variovorax boronicumulans ω ...
Uwe Wegner   +6 more
doaj   +1 more source

Quality of aged Zhenjiang aromatic vinegar stored in glass bottles [PDF]

open access: yesZhongguo niangzao
Using 4 Zhenjiang aromatic vinegars stored in glass bottles more than 20 years and new vinegar as the research object, the differences of physicochemical indicators, microbial indicators, organic acids, free amino acids and volatile flavor substances ...
CHEN Wen, ZHANG Junhong, CUI Pengjing, XIONG Feng, LU Rongsong, LI Xin
doaj   +1 more source

DISTURBANCES IN PLASMA ALIPHATIC AND AROMATIC AMINO ACIDS METABOLOMIC PROFILES IN EGYPTIAN OBESE WOMEN [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 2023
Background: According to the World Health Organization (WHO), Egypt ranks 18th with the highest prevalence of obesity worldwide. The impact of obesity is a result of its comorbidities rather than a direct effect.
Tahia Saleem   +4 more
doaj   +1 more source

The role of bacterial metabolites derived from aromatic amino acids in non-alcoholic fatty liver disease

open access: yesAlʹmanah Kliničeskoj Mediciny, 2020
The review deals with the role of aromatic amino acids and their microbial metabolites in the development and progression of non-alcoholic fatty liver disease (NAFLD).
E. S. Shcherbakova   +4 more
doaj   +1 more source

Amino Acid Composition of Tamarind Fruit Growing Wild in Oyo Town

open access: yesFountain Journal of Natural and Applied Sciences (FUJNAS), 2013
Tamarind ( Tamarindus indica L.) fruit grows wild in some parts of the savannah region of Nigeria. The fruit is grossly underutilised in Nigeria, despite its invaluable contribution to the food security and economy of some Asian countries.
A. A. Adeola
doaj   +1 more source

Maturation of Moristel in Different Vineyards: Amino Acid and Aroma Composition of Mistelles and Wines with Particular Emphasis in Strecker Aldehydes

open access: yesFoods, 2022
The aim of this article was to assess the influence of the harvest date on the composition of amino acids and derived aromatic compounds in grape-mistelle and wine of the Moristel variety, in different vineyards.
Ignacio Arias-Pérez   +3 more
doaj   +1 more source

Tyrosine, Phenylalanine, and Tryptophan Undergo Self-Aggregation in Similar and Different Manners

open access: yesAtmosphere, 2022
Phenylalanine, tyrosine, and tryptophan are aromatic amino acids, and they are of high interest in both health science and biotechnology. These amino acids form organized structures, like fibrils and nanotubes.
Sahin Uyaver
doaj   +1 more source

AexB is an aromatic amino acid exporter that functions as a metabolic safety valve

open access: yesmBio
Aromatic amino acids—tryptophan, tyrosine, phenylalanine, and histidine—are essential for bacterial growth and are among the most energetically expensive metabolites to synthesize.
Blake A. Everett, Arthur Prindle
doaj   +1 more source

Interaction of Aromatic Amino Acids with Neutral Polyadenylic Acid [PDF]

open access: yesProceedings of the National Academy of Sciences, 1971
The aromatic amino acids tryptophan, phenylalanine, and histidine interact with singlestranded polyadenylic acid [poly(A)] as observed by proton magnetic resonance spectroscopy. The chemical shift of the C 2 and C 8 protons of the adenine moiety of poly(A) is consistent with a destacking of ...
M, Raszka, M, Mandel
openaire   +2 more sources

Neutrophils as a source of branched-chain, aromatic and positively charged free amino acids

open access: yesCell Adhesion & Migration, 2019
Neutrophils release branched-chain (valine, isoleucine, leucine), aromatic (tyrosine, phenylalanine) and positively charged free amino acids (arginine, ornithine, lysine, hydroxylysine, histidine) when adhere and spread onto fibronectin.
Svetlana I. Galkina   +5 more
doaj   +1 more source

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