Implementing the Use of Collision Cross Section Database for Phycotoxin Screening Analysis

Maria Mar Aparicio-Muriana*, Renato Bruni, Francisco J. Lara, Monsalud del Olmo-Iruela, Maykel Hernandez-Mesa, Ana M. García-Campaña, Chiara Dall’Asta, Laura Righetti*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


The increased consumption of blue-green algae (BGA)-based dietary supplements has raised concern about their food safety, especially about cyanotoxin presence. The hyphenation of liquid chromatography with ion mobility mass spectrometry represents a relevant tool to screen several compounds in a large variety of food matrices. In this work, ultrahigh-performance liquid chromatography coupled to traveling wave ion mobility spectrometry/quadrupole time-of-flight mass spectrometry (UHPLC-TWIMS-QTOF) was employed to establish the first comprehensive TWIMS-derived collision cross section database (TWCCSN2) for phycotoxins. The database included 20 cyanotoxins and 1 marine toxin. Accurate m/z, retention times, and TWCCSN2 values were obtained for 81 adducts in positive and negative electrospray (ESI+/ESI-) modes. Reproducibility and robustness of the TWCCSN2 measurements were determined to be independent of the matrix. A screening was carried out on 19 commercial BGA dietary supplements of different composition.

Original languageEnglish
Pages (from-to)10178-10189
Number of pages12
JournalJournal of Agricultural and Food Chemistry
Issue number26
Publication statusPublished - 5 Jul 2023


  • BGA dietary supplements
  • CCS database
  • collision cross section
  • cyanotoxins
  • ion mobility mass spectrometry
  • phycotoxins


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