Advanced Mass Spectrometry for Food Safety and Quality, by Yolanda Picó

By Yolanda Picó

Advanced Mass Spectrometry for meals security and caliber provides details on fresh developments made in mass spectrometry-based innovations and their functions in meals safeguard and caliber, additionally protecting the most important demanding situations linked to enforcing those applied sciences for more advantageous identity of unknown compounds, meals profiling, or candidate biomarker discovery.

Recent advances in mass spectrometry applied sciences have exposed super possibilities for more than a few food-related functions. besides the fact that, the certain features of meals, akin to the wide variety of the several parts and their severe complexity current huge, immense demanding situations. this article brings jointly the latest info at the subject, offering a big source in the direction of larger nutrients defense and quality.

  • Presents severe functions for a sustainable, reasonable and secure foodstuff offer
  • Covers rising difficulties in nutrition defense and caliber with many particular examples.
  • Encompasses the features, benefits, and obstacles of mass spectrometry, and the present ideas in process improvement and validation
  • Provides the latest info at the vital subject of nutrition safeguard and quality

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Extra info for Advanced Mass Spectrometry for Food Safety and Quality, Volume 68

Example text

111] Mass Spectrometry in Food Quality and Safety Chapter | 1 33 Residues Pesticides Continued Research Aim Matrix MS Technique Additional Techniques/Main Results References Biogenic amines Fish UHPLC-ESI-LTQ-MS/ MS PI-SRM The biogenic amines were dansylated and separated on a C8 column under LC gradient of 7 min duration. [112] Four biogenic and three volatile amines Anchovy LC-ESI-QqQ-MS/MS PI-SRM Other amines, such as spermidine and spermine, which are used to determine the chemical quality index, could be included.

The growth of microbial contaminants in industrially produced beverages can cause turbidity, haze, and off-flavors resulting in quality loss often rendering the product undrinkable. MALDI-TOF-MS could deliver discriminative peptide mass fingerprints within minutes and could thus be a rapid and reliable tool for identification and differentiation [65]. To this end, different sample preparation methods ranging from plain cell smears to more elaborate extraction procedures including mechanical and enzymatic disruption of cells have been investigated [66,67].

If possible it is always interesting to check ionization sources other than ESI that could result in higher efficiency, as for example for carbadox and the acidic metabolites quinoxaline-2-carboxylic acid and methyl3-quinoxaline-2-carboxylic acid, APCI resulted in higher efficiency [110]. LC is available combined almost with any type of MS being the most common QqQ, QTRAP, TOF, QqTOF, and the different orbitraps. Other mass analyzers can also be combined but they have falling into disuse. The major drawback in quantitative analysis with LC-MS is the matrix effect—unexpected suppression or enhancement of the analyte response due to coeluting matrix constituents that influence the ionization process.

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