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Cell viability evaluated by WST-1 Proliferation Assay. Cells were exposed to 18 different concentrations of: (A) B0; (B) B30; (C) B100; and (D) NEXBTL100 extracts for 24 h and the results were expressed as a percentage of increased/decreased activity of mitochondrial dehydrogenases to metabolize tetrazolium dye compared to the untreated control.
