2013
DOI: 10.1007/s00726-013-1463-7
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Hydrophilic interaction ultra-performance liquid chromatography coupled with triple-quadrupole tandem mass spectrometry for highly rapid and sensitive analysis of underivatized amino acids in functional foods

Abstract: This work presented a new analytical methodology based on hydrophilic interaction ultra-performance liquid chromatography coupled with triple-quadrupole tandem mass spectrometry in multiple-reaction monitoring mode for analysis of 24 underivatized free amino acids (FAAs) in functional foods. The proposed method was first reported and validated by assessing the matrix effects, linearity, limit of detections and limit of quantifications, precision, repeatability, stability and recovery of all target compounds, a… Show more

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Cited by 55 publications
(31 citation statements)
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“…HPLC-MS/MS appeared reasonably fast (5 -15 min) but LOD were still too high [31] [32]. Similar conditions (10 min, LOD > 10 nM) were obtained by Zhou et al [33] who used UPLC with a triple quadrupole and a specific column. Elsewhere it has been reported that retention times and thus the response signal of underivatized amino acids could be improved on classic C 18 column by an ion-pairing agent [34]- [36].…”
Section: Introductionsupporting
confidence: 67%
See 1 more Smart Citation
“…HPLC-MS/MS appeared reasonably fast (5 -15 min) but LOD were still too high [31] [32]. Similar conditions (10 min, LOD > 10 nM) were obtained by Zhou et al [33] who used UPLC with a triple quadrupole and a specific column. Elsewhere it has been reported that retention times and thus the response signal of underivatized amino acids could be improved on classic C 18 column by an ion-pairing agent [34]- [36].…”
Section: Introductionsupporting
confidence: 67%
“…Separation was achieved in less than 4.5 min with very nice peak shapes (Figure 1); being about 3 times faster than with HPLC which is a common feature [35] [51]- [53]. This is also faster than other work using UPLC [33] [39] [40].…”
Section: Chromatography and Separationmentioning
confidence: 89%
“…Prior to DoE, 22 LC solvent systems were compared using the standard mix. These solvents were based on a literature search and are listed in Table S4 (Want et al 2010; Kivilompolo et al 2013; Ivanisevic et al 2013; Zhou et al 2013). Mass spectrometry settings were based on data from the ion-switching method development, where desolvation temperature and gas flow were set to 500°C and 1000L/Hr respectively.…”
Section: Methodsmentioning
confidence: 99%
“…Despite increasing the time and effort required for sample preparation, chemical derivatization makes amino acid assignment and quantitation down to the μM level amenable to routine analysis. Additional LC/MS methods for the detection of underivatized amino acids have been described that rely on 12 to 15 min analytical times and multiple reaction monitoring (MRM) for amino acid detection ((Thiele et al 2012; Zhou et al 2013; Yao et al 2013; Buiarelli et al 2013; Le et al 2014)).…”
Section: Introductionmentioning
confidence: 99%