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The goal of this study was to profile the secondary metabolites of two ripe-light and dark-stages of Flacourtia indica fruit and the assessment of their antioxidant and anti-proliferative activities.
Secondary metabolites were profiled by GC-MS. It should read: Radical scavanging activity while MTS assays were employed to assess effect on cell proliferation on normal and malignant cells. Impact on the activity of CYP1B1, an enzyme known to activate polyaromatic hydrocarbons, was also assessed.
One hundred and twenty-three (123) metabolites were identified. DPPH activity showed a dose-dependent response to fruit extracts, and H2O2 scavenging activity increased with concentrations. Anti-proliferative properties using the MTS assay on prostate, breast and colon cancer cells and normal prostate cell lines revealed a relatively weak impact on the examined cells. DCM extracts exhibited inhibition of the activity of human cytochrome P450 1B1 enzyme.
Results showed that fruit extracts demonstrated significant antioxidant activity, while they did not show cytotoxic effects on normal or cancer cells. DCM and hexane extracts showed noticeable inhibition of CYP1B1 enzyme, suggestive of a chemoprotective potential.
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