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CIeaD reveals high-resolution spectra for 2,305 phytochemicals, suggesting improved metabolite identification via dual fragmentation methods.
Plant metabolomics faces major challenges in metabolite identification due to the structural diversity of plant metabolites and limited coverage in existing spectral libraries. To address this, we developed CIeaD (Collision-Induced and Electron-Activated Dissociation), an open-access plant metabolite spectral library containing complementary CID and EAD spectra. The library includes curated high-resolution spectra for 2,305 phytochemicals across major metabolite classes, acquired in both positive and negative modes with a dual fragmentation mechanism to capture a wide range of diagnostic ions. CIeaD library is provided in multiple formats and can be accessed at https://www.moleculardetective.org/Links.html.
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Paul C. Norris (2025) studied this question.
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