The specialized metabolism of ferns remains a largely untapped frontier in the search for natural medicinal compounds. Using SIRIUS molecular structure annotation, researchers successfully identified a previously unknown lignan named blechnic acid B. This novel compound, found in Neoblechnum brasiliense, highlights the chemical diversity hidden within under-investigated plant lineages.
M. Ufland et al. Plant Biol. (2026) doi: 10.1111/plb.70116
SIRIUS is the comprehensive software solution for the high-throughput identification of small molecules from fragmentation mass spectrometry data. SIRIUS provides a comprehensive set of features spanning every step from feature detection to detailed result validation. It is designed to not only accurately characterize known compounds but also to confidently identify “unknown unknowns” in complex biological samples.
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