Phytochemical and Metabolomic Investigation of a Popular Traditional Plant from La Réunion: <i>Psiloxylon mauritianum</i>

A molecular network investigation of <i>Psiloxylon mauritianum</i> leaf extracts from five different specimens led to the detection of a diversity of flavonoids, triterpenes, and phloroglucinols. Some compounds from these molecular classes are reported to target fever-linked symptoms (an...

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Main Authors: Théo Ozga, Gaëtan Herbette, Patrick Carriere Richez, Patricia Clerc, Juliano Haddad, Chaker El Kalamouni, Jérôme Bignon, Rémy Marcellin-Gros, Emerson Ferreira Queiroz, Jean-Luc Wolfender, Jacqueline Smadja, Anne Gauvin-Bialecki
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Applied Sciences
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Online Access:https://www.mdpi.com/2076-3417/15/2/496
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Summary:A molecular network investigation of <i>Psiloxylon mauritianum</i> leaf extracts from five different specimens led to the detection of a diversity of flavonoids, triterpenes, and phloroglucinols. Some compounds from these molecular classes are reported to target fever-linked symptoms (antioxidant, antiviral, anti-inflammatory, and antibacterial activities) and may explain the plant’s success as a local traditional remedy. The phytochemical study of one extract allowed the isolation and characterization of an original seco-ring-A lupane structurally similar to the anti-inflammatory betulinic acid, 11 known triterpenes, 2 flavonoids, and a chalcone. Antiviral assays highlighted the in vitro anti-Zika activity of corosolic and betulinic acids found in the plant. Some interesting structure–activity relationships could be drawn between the new compound and the known active triterpenes.
ISSN:2076-3417