期刊
FOOD CHEMISTRY
卷 399, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.133968
关键词
MALDI; Mass spectrometry; Oligosaccharide; Polysaccharide; Structure
This review summarizes the recent research progress on MALDI mass spectrometry (MS) detection in food carbohydrates, including the improvement of ionization efficiency, the application in structure characterization of polysaccharides, and the quantitative study and mass spectrometry imaging.
Carbohydrates, including monosaccharides, oligosaccharides and polysaccharides, are widely distributed in food resources. Matrix-assisted laser desorption/ionization (MALDI), a soft ionization technique, is extensively applied in carbohydrates analysis. MALDI mass spectrometers are capable to generate spectra rapidly and record mass profiles or fingerprints from foods, usually with simple sample preparation or pretreatment. Therefore, this review described recent research progress on MALDI mass spectrometry (MS) detection in food carbohydrates, especially for the improvement of ionization efficiency and their application in structure characterization of polysaccharides from food and edible herbs. Furthermore, the quantitative study and mass spectrometry imaging were also briefly summarized.
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