11 research outputs found
HPLC of tryptophan and its metabolites using simultaneously UV, native fluorescence and pre-column fluorescence derivatization
HPLC of Tryptophan and Its Metabolites: as Opa Derivatives and on the Basis of Their Uv and Fluorescence Spectra, Simultaneously
Derivatization, stability and chromatographic behavior ofo-phthaldialdehyde amino acid and amine derivatives:o-Phthaldialdehyde/ 2-mercaptoethanol reagent
Characteristics and stability of the OPA/3-mercaptopropionic acid and OPA/N-acetyl-L-cysteine derivatives of amino acids
RP-LC with On-Line Recycled Mobile Phase for Analysis of Amino Acids Pre-Derivatized with o-Phthalaldehyde
In-Tube Solid-Phase Microextraction and Liquid Chromatography Using a Monolithic Column for the Selective Determination of Residual Ethylenediamine in Industrial Cationic Polymers
A bi-end injection capillary electrophoresis method for simultaneous determination of 37 cations and anions in beers
Recent trends in the analysis of amino acids in fruits and derived foodstuffs
The amino acid content of fruit and fruit-derived foods is intensely studied, because of their contribution to nutritional value, aroma, taste and health-promoting effects and their possible use as markers of origin and authenticity. In this review, based on 101 references, the most recent trends in the analysis of amino acids are presented: the most important techniques, the different sample treatment procedures (including derivatisation) and the most frequent applications are described and compared.
Pertinent publications were retrieved from Scopus and Web of Knowledge database searches lastly performed in February 2012 with the keywords "amino acid", "analysis", "liquid chromatography", "gas chromatography", "electrophoresis", "fruit", "vegetables"; the time limit was set from the year 2000 onwards.
Although amino acids have been analysed in foods for decades, new technical possibilities and advancements have allowed ever increasing accuracy and targeting of the methods, in order to overcome the challenges posed by the complex plant matrices and by their high intrinsic variability