Research Progress on Determination of Free Amino Acids in Tea and Its Products by Liquid Chromatography-Tandem Mass Spectrometry
This paper,the application of liquid chromatography-tandem mass spectrometry in the detection of free amino acids in tea and its products was reviewed.The application of low-resolution tandem mass spectrometry and high-resolution tandem mass spectrometry in the detection of free amino acids in tea and its substitutes in the separation modes of reversed-phase chromatography and hydrophilic interaction chromatography was discussed.The future development trend was prospected.It was proposed that the hydrophilic interaction chromatography separation mode combined with tandem mass spectrometry could improve the sensitivity,accuracy,selectivity and practicability of free amino acid analysis in tea and its products.
teasubstitutional tealiquid chromatography tandem mass spectrometryfree amino acids
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