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- Title
Metabolite Profiling and Bioactivities of Leaves, Stems, and Flowers of Rumex usambarensis (Dammer) Dammer, a Traditional African Medicinal Plant.
- Authors
Spaggiari, Chiara; Righetti, Laura; Spadini, Costanza; Annunziato, Giannamaria; Nsanzurwimo, Aimable; Cabassi, Clotilde Silvia; Bruni, Renato; Costantino, Gabriele
- Abstract
The comprehensive identification of secondary metabolites represents a fundamental step for the assessment of bioactivities and pharmacological properties of traditional herbal drugs. Rumex usambarensis (Dammer) Dammer has been described as a multipurpose remedy in different African traditional pharmacopoeias, but its phytochemical profile has not been properly investigated. Herein we report a high throughput metabolomic screening, based on ultra-high performance liquid chromatography-travelling wave ion mobility spectrometry quadrupole time-of-flight (UHPLC-TWINS-QTOF), which was performed for the first time on different R. usambarensis plant parts. By applying high-resolution mass spectrometry-based metabolomics and chemometric analysis, a complete discrimination of different aerial parts was obtained, with the annotation of 153 significant metabolites in leaves, stems, and flowers, suggesting an easy authentication and discrimination route. Phytochemical data were correlated to antimicrobial and antioxidant properties. Flavonoids, benzopyranes, chromones, and xanthones derivatives, along with a richer phytocomplex, might be responsible for the stronger bioactivities obtained from flowers.
- Subjects
MEDICINAL plants; ION mobility spectroscopy; RUMEX; HIGH throughput screening (Drug development); TIME-of-flight spectrometry; METABOLITES; FLOWERS
- Publication
Plants (2223-7747), 2023, Vol 12, Issue 3, p482
- ISSN
2223-7747
- Publication type
Article
- DOI
10.3390/plants12030482