Figure 3: Beta carotene bleaching assay of B. variegata leaf extracts. Phytochemicals present in sample were extracted with petroleum ether (PE), benzene (BZ), chloroform (CH), ethyl acetate (EA), acetone (AC), ethyl alcohol (ET), and water (AQ) as described in Section 2.Beta carotene bleaching assay of extracts was measured at 100 μg/mL concentrations, and absorbance was recorded at 700 nm. The results are expressed as mean ± SEM of three replicates ( ).