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Rapid Detection of Potential Natural Food Preservatives and Identification of Artemisia Species via High-Sensitivity Photoionization Mass Spectrometry.

Teng Yang,Zhen Li,J. Shu,Longfa Fang,Xiaojuan He,Qirun Li,Guoxia Jiang,Siwei Chen,Bo Yang

Published 2023 in Journal of Agricultural and Food Chemistry

ABSTRACT

Natural food preservatives are being sought extensively as a safe alternative to chemical food preservatives. This study aimed to identify potential natural preservatives from herbs using single-photon ionization time-of-flight mass spectrometry (SPI-TOF-MS). Five Artemisia species and four other herbs were analyzed, and the random forest (RF) algorithm was used to simulate olfaction and distinguish the Artemisia species by identifying the characteristic peaks of volatile terpenoids (VTPs). Results showed that the terpenoid synthase (TPS) gene family was expanded in Artemisia species, potentially contributing to the increased production of VTPs, which have potential as natural preservatives and specifically identify these species. The limits of detections (LODs) for principle VTPs in Artemisia species were as low as 22-39 parts-per-trillion-by-volume (pptv) using SPI-TOF-MS. This study highlights the potential for headspace mass spectrometry to be used in the development of natural preservatives and the identification of plant species.

PUBLICATION RECORD

  • Publication year

    2023

  • Venue

    Journal of Agricultural and Food Chemistry

  • Publication date

    2023-04-06

  • Fields of study

    Agricultural and Food Sciences, Medicine, Chemistry, Environmental Science

  • Identifiers
    DOI 10.1021/acs.jafc.3c00290PMID 37022303
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar, PubMed

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