Mass Spectrometry Imaging: Applications to Food Science

Mass spectrometry based chemical imaging of foods

“…Taira et al 78 used MALDI-MSI to identify spatial distribution of metabolites from Panax ginseng and from Capsicum fruits. Ginsenosides are bioactive constituents of Panax ginseng, known for health effects on the immune system, cardiovascular system and central nervous system.…”

“…MALDI-MSI revealed that the ginsenosides were located in the pericarp and a part of the cortex in the center of the lateral root and the entire bril of Panax ginseng. The other metabolite, analyzed by Taira et al 78 was capsaicin from Capsicum fruits. It is an alkaloid which was shown to be present at the placenta, pericarp and seed regions of Capsicum fruits.…”

Advanced Mass Spectrometry

“…MALDI-TOF-IMS Analysis and localization of bioactive nutrients (ginsenosides and capsaicin) [222] MALDI-TOF-IMS Visualization of anthocyanin species in rabbiteye blueberry Vaccinium ashei [223] MALDI-TOF-IMS Different localization patterns of anthocyanin species in the pericarp of black rice [224] TLC-Blot-MALDI-TOF-IMS Selective analysis of lipids [225] MALDI-TOF-IMS Oryza sativa (rice) [226] MALDI-TOF-IMS Visualization of spatial distribution of γ-aminobutyric acid in eggplant (Solanum melongena) [227] MALDI-TOF-IMS Unambiguous characterization and tissue localization of Pru P 3 peach allergen [228] LA-ICP-TOF-IMS Imaging of nutrient elements in the leaves of Elsholtzia splendens [229] LAESI-TOF-IMS Macroscopic and microscopic imaging of pesticides, mycotoxins, and plant metabolites on rose leaves, orange and lemon fruits, ergot bodies, cherry tomatoes, and maize kernels [230] SPI-LDI-IMS Simultaneous in situ assessment of aflatoxins and stilbenes [221] LDI-SIMS-IMS Comparison of sample pretreatments for the imaging of Miscanthus × giganteus [220] LDI-SIMS-IMS Localization of flavonoids in seed sections of peas (Pisum sativum) and Arabidopsis thaliana [231] LA-ICP-MS, laser ablation inductively coupled plasma mass spectrometry; LAESI-TOF-MS, laserablation electrospray ionization time of flight mass spectrometry imaging; LDI-SIMS-IMS, laser desorption/ionization secondary ion mass spec trometry imaging; MALDI-TOF-IMS, matrix-assisted laser desorption/ionization time of flight imaging mass spectrom etry; SPI-LDI-QqTOF-IMS, silica plate imprinting laser desorption/ionization imaging mass spectrometry; TLC-Blot-MALDI-TOF-IMS, thin-layer chromatography blotting matrix-assisted laser desorption/ ionization time of flight imaging mass spectrometry.…”

Metabolic Visualization Reveals the Distinct Distribution of Sugars and Amino Acids in Rice <i>Koji</i>

“…Mass spectrometry imaging (MSI) is a rising analytical method for the analysis of foodstuffs. 7 , 8 ) This technique can visualize multiple compounds directly without labeling, unlike other imaging techniques. It has been used to visualize many components in food, such as lipids, 9 ) sugars, organic acids, 10 ) and secondary metabolites.…”