2018
DOI: 10.1016/j.chroma.2018.10.018
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Identification of antihypertensive peptides in nutraceuticals by capillary electrophoresis-mass spectrometry

Abstract: Non-standard abbreviations: BGE: background electrolyte CE-MS: capillary electrophoresis-mass spectrometry CSN: casein EIE: experimental extracted ion electropherogram HAc: acetic acid HFor: formic acid MCR-ALS: multivariate curve resolution alternating least squares ROIs: regions of interest TIE: total ion electropherogram

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Cited by 21 publications
(5 citation statements)
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“…Single-wavelength raw electropherograms at 254 nm were processed for Gaussian fitting as described in Section S2. Additionaly, multivariate data analysis based on MCR-ALS was applied to multiwavelength raw electropherograms to resolve peaks from i-motif species not completely separated by CE. , This methodology has also been applied to other aspects related with the investigation of chemical and conformational equilibria of nucleic acids using spectroscopic techniques, , like melting experiments . A detailed description of the MCR-ALS data analysis is given in Section S2.…”
Section: Methodsmentioning
confidence: 99%
“…Single-wavelength raw electropherograms at 254 nm were processed for Gaussian fitting as described in Section S2. Additionaly, multivariate data analysis based on MCR-ALS was applied to multiwavelength raw electropherograms to resolve peaks from i-motif species not completely separated by CE. , This methodology has also been applied to other aspects related with the investigation of chemical and conformational equilibria of nucleic acids using spectroscopic techniques, , like melting experiments . A detailed description of the MCR-ALS data analysis is given in Section S2.…”
Section: Methodsmentioning
confidence: 99%
“…Seventeen antihypertensive peptides were identified from the nutraceutical tablets analyzed by CE‐MS and CE‐MS/MS methods [203]. CE separations were carried out in BFS capillaries employing 1 M acetic acid as BGE.…”
Section: Applicationsmentioning
confidence: 99%
“…Peptide detection was carried out at a wavelength of 195 nm through a UV window spaced at 48.5 cm from the capillary inlet [39]. As a result of this procedure, the electrophoretic signals of each peptide were separated, and the integration of peaks was accurate for the binary solutions.…”
Section: Capillary Electrophoresis Conditionsmentioning
confidence: 99%