Evaluation of antifungal activity of extracts of Piper regnellii obtained by supercritical fluid extraction
2013
Lemos, Caroline Ortega Terra | Svidzinsk, Terezinha Inez Estivalet | Baeza, Lilian Cristiane | Miranda, Nathielle | Nakamura, Celso Vataru | Cortez, Diógenes Aparício Garcia | Cardozo-Filho, Lúcio | Cabral, Vladimir Ferreira
The antifungal activity of extracts obtained from Piper regnellii with supercritical carbon dioxide was tested against yeast and filamentous fungi. The most active extract was obtained from leaves extracts of P. regnellii at 40°C and 25 MPa, featuring a minimal inhibitory concentration of 3.9 μg/mL against Trichophyton mentagrophytes . Neolignans eupomatenoid-3, eupomatenoid-5, eupomatenoid-6 and conocarpan were present in all extracts. The results indicate the possibility of further studies on the use of extracts of P. regnellii obtained by supercritical extraction, as potential sources of bioactive compounds for use in medicine.
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