Analytical capabilities of mass spectrometry imaging and its potential applications in food science

Bin Li, Sage J.B. Dunham, Yonghui Dong, Sohee Yoon, Maomao Zeng, Jonathan V Sweedler

Research output: Contribution to journalReview article

Abstract

Background: Mass spectrometry imaging (MSI) is an untargeted and label-free chemical imaging technique that allows for the analysis of hundreds to thousands of molecules in a single experiment. Over the last two decades, MSI has become common in the medicinal, pharmaceutical, and botanical research communities, but has been applied less frequently in food science research. As an emerging "molecular microscope", MSI offers unparalleled advantages for exploration of the spatio-chemical information from various food materials. It allows researchers to localize biomarkers of food origin and authenticity, characterize nutrients or chemical contaminants affecting human health, and ultimately, extend our understanding of food factors at the molecular level. Scope and approach: This review focuses on the predominant MSI ionization technologies and summarizes their application to studies involving food science, including the imaging of food metabolites, elements, naturally occurring toxic constituents, and exogenous contaminates. Technical considerations associated with sample preparation, MALDI matrix choice and application, data processing, analyte identification, and spatial resolution are discussed, as are the future outlooks for MSI in food science. Key findings and conclusions: MSI offers unparalleled chemical specificity for multiplexed analysis of the spatial distribution of nutrients, elements, and contaminants in food; information that is difficult or impossible to acquire with traditional staining or label-based methodologies. The unique spatio-chemical insights acquired with MSI have proven essential for understanding metabolic origin and change, and for visualization of exogenous substances having relevance to food quality and safety.

Original languageEnglish (US)
Pages (from-to)50-63
Number of pages14
JournalTrends in Food Science and Technology
Volume47
DOIs
StatePublished - Jan 1 2016

Fingerprint

Food Technology
food science
Mass Spectrometry
image analysis
mass spectrometry
Food
Food Quality
Spatial Analysis
Food Safety
Poisons
Matrix-Assisted Laser Desorption-Ionization Mass Spectrometry
nutrients
food contamination
Biomarkers
microscopes
food quality
Research Personnel
ionization
Staining and Labeling
food safety

Keywords

  • Food chemistry
  • Food metabolite
  • Food quality
  • Food safety
  • Mass spectrometry imaging
  • Sample preparation

ASJC Scopus subject areas

  • Biotechnology
  • Food Science

Cite this

Analytical capabilities of mass spectrometry imaging and its potential applications in food science. / Li, Bin; Dunham, Sage J.B.; Dong, Yonghui; Yoon, Sohee; Zeng, Maomao; Sweedler, Jonathan V.

In: Trends in Food Science and Technology, Vol. 47, 01.01.2016, p. 50-63.

Research output: Contribution to journalReview article

Li, Bin ; Dunham, Sage J.B. ; Dong, Yonghui ; Yoon, Sohee ; Zeng, Maomao ; Sweedler, Jonathan V. / Analytical capabilities of mass spectrometry imaging and its potential applications in food science. In: Trends in Food Science and Technology. 2016 ; Vol. 47. pp. 50-63.
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