质谱法
化学
单糖
多糖
色谱法
样品制备
有机化学
作者
Junqiao Wang,Jing Wang,Shaoping Nie,Mingyong Xie,Shaoping Li
出处
期刊:Food Chemistry
[Elsevier]
日期:2022-08-18
卷期号:399: 133968-133968
被引量:22
标识
DOI:10.1016/j.foodchem.2022.133968
摘要
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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