Research Article

Evaluation of Antioxidant, Immunomodulatory, and Cytotoxic Action of Fractions from Eugenia uniflora L. and Eugenia malaccensis L.: Correlation with Polyphenol and Flavanoid Content

Table 2

Cytotoxicity assay using splenocytes from BALB/c mice treated with extracts of E. uniflora and E. malaccensis.

ExtractConcentrations (μg/mL)
15102550100

E. uniflora
 LEtOAc Fr.++
 Ln-BuOH Fr.+
 LH2O Fr.
 SEtOAc Fr.+++
 Sn-BuOH Fr.+
 SH2O Fr.
E. malaccensis
 LEtOAc Fr.++
 Ln-BuOH Fr.++
 LH2O Fr.+
 SEtOAc Fr.+++
 Sn-BuOH Fr.+
 SH2O Fr.
Saponin**++++++

Legend: *Nontoxic concentrations were determined by 3H-thymidine incorporation. Percentages below 30% compared to the immune cells not treated (control) are considered nontoxic (−). (LEtOAc Fr.): Ethyl acetate fraction of leaves, (Ln-BuOH Fr.): butanol fraction of leaves, (LH2O Fr.): aqueous fraction of leaves, (SEtOAc Fr.): ethyl acetate fraction of seeds, (Sn-BuOH Fr.): butanol fraction of seeds, and (SH2O Fr.): aqueous fraction of seeds.