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Scientists investigate Connaraceae phenolic compounds for their promising antibacterial and antioxidant effects. A recent study examined three lesser-known Brazilian species: Rourea fluminensis, Connarus nodosus, and Connarus ruber. Researchers identified bioactive markers and evaluated their therapeutic potential. These findings contribute to the growing body of knowledge on natural products.
Furthermore, the extracts showed strong antioxidant capacity against DPPH and ABTS radicals. Notably, the study revealed antibacterial activity against Staphylococcus aureus. Consequently, these plants represent a potential source for new anti-infective developments.
LC-HRMS characterisation pinpointed 13 specific compounds in the extracts. The results highlighted myricetin glycosides, guaijaverin glycosides, and chlorogenic acid. These molecules likely drive the observed redox and antibacterial activities. Moreover, the extracts demonstrated no toxicity to Artemia salina at 1000 µg/mL. This safety profile encourages further investigation into their medicinal use.
In summary, this research marks the first chemical characterisation of these endemic species. Such insights assist in developing treatments for oxidative stress and infections.
The study demonstrated that these plant extracts possess antibacterial activity against Staphylococcus aureus.
Researchers identified 13 compounds, including myricetin glycosides, guaijaverin glycosides, and chlorogenic acid, as key bioactive markers.
No, the extracts showed no toxicity to Artemia salina at a concentration of 1000 µg/mL.
Disclaimer: This content is for informational and educational purposes only. It does not constitute medical advice and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider with any questions you may have regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.
References
1. Turcatel GA et al. Exploring the chemical profiles and biological activities of three lesser-known connaraceae species rich in phenolic compounds. Nat Prod Res. 2026 Apr 09. doi: 10.1080/14786419.2026.2655405. PMID: 41955641.
2. Osman CP, Zahari Z, Adenan MI, Zohdi RM. A review on traditional uses, phytochemistry, and pharmacology of the genus Rourea. J Appl Pharm Sci. 2019;9(09):125–131.
3. Nogueira-Silva L, et al. Myricetin protects Galleria mellonella against Staphylococcus aureus infection and inhibits multiple virulence factors. Scientific Reports. 2020;10:6023.
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