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Abstract
The leaves of P. edulis were subjected to physicochemical analysis, such as ion content, extractives, and structural molecules. The hexanic, ethanolic and ethyl acetate extracts were submitted to phytochemical analyzes by GC-MS, HPLC-MS, and spectrophotometry. In addition, antioxidant (DPPH, ABTS and TAA methods) potential, antimicrobial (MIC method) action, cytotoxicity and immunostimulant activity (flow cytometry analysis) were performed. The extracts showed a moderate antioxidant capacity and revealed the presence of several metabolites, mainly phenols, such as caffeic acid, p-coumaric acid and luteolin. The ethyl acetate and ethanolic extracts showed antifungal activity. In addition, the extracts did not affect splenocytes viability at 12.5 μg/mL and promoted the production of IL-6, IL-10, IL-17 and TNF-α cytokines. P. edulis extracts showed antifungal and antioxidant activity and were able to induce immunostimulatory action in splenocyte cultures in vitro.
Graphical Abstract
Acknowledgements
The authors thank the Nucleus of Technological Platforms (NPT-1) located at Aggeu Magalhães Institute (IAM) due to flow cytometer access.
Disclosure statement
No potential conflict of interest was reported by the authors.