Determination of underivatized amino acids in microsamples of a yeast nutritional supplement by LC-MS following microwave assisted acid hydrolysis

2016 ◽  
Vol 8 (22) ◽  
pp. 4497-4503 ◽  
Author(s):  
Lilach Yishai Aviram ◽  
Margaret McCooeye ◽  
Zoltan Mester
Keyword(s):  
Mass Spectrometry ◽  
Amino Acids ◽  
Liquid Chromatography ◽  
Acid Hydrolysis ◽  
Nutritional Supplement ◽  
Liquid Chromatography Mass Spectrometry ◽  
Microwave Assisted ◽  
Quantitative Amino Acid Analysis ◽  
Underivatized Amino Acids

In this paper we describe a rapid method for microscale microwave assisted acid hydrolysis followed by quantitative amino acid analysis, using liquid chromatography mass spectrometry UPLC-ESI-MS (QTOF) without derivatization.

Rapid determination of underivatized amino acids in fertilizers by ultra high performance liquid chromatography coupled to tandem mass spectrometry

2010 ◽  
Vol 2 (11) ◽  
pp. 1745 ◽  
Author(s):  
María Isabel Alarcón-Flores ◽  
Roberto Romero-González ◽  
Antonia Garrido Frenich ◽  
José Luis Martínez Vidal ◽  
Rocío Cazorla Reyes
Keyword(s):  
Mass Spectrometry ◽  
Amino Acids ◽  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Tandem Mass Spectrometry ◽  
High Performance ◽  
Rapid Determination ◽  
Tandem Mass ◽  
Underivatized Amino Acids
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