BACKGROUND: on HeLa, MCF-7, and RD cells. MATERIALS AND METHODS: The cytotoxic activity was determined using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide colorimetric assay against three cell lines (RD, HeLa, and MCF 7) at concentrations ranging from 0.01 to 1000 μg/mL. Isolation of crude saponin was done from the most active ethyl acetate fraction and further purified using vacuum liquid chromatography and preparative thin layer chromatographic techniques. RESULTS: values of 1.05 μg/mL and 86.8 μg/mL for the MCF 7 cancer cell lines. PTLC led to the isolation of a compound from the crude saponin which was identified as 7-deacetoxy-7-oxogedunin through spectroscopic analysis and comparison with literature data. CONCLUSIONS: could be considered as a potential source of chemotherapeutic agent. However, further research to determine the exact mechanism of action needs to be carried out. SUMMARY: MTT: 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide; TLC: Thin layer chromatography; VLC: Vacuum liquid chromatography; PTLC: Preparative thin layer chromatographic; NMR: Nuclear magnetic resonance; FBS: Fetal bovine serum; DMEM: Dulbecco's modified Eagle's medium; PBS: Phosphate buffer saline; FHI: Forest Herbarium Ibadan; DMSO: Dimethylsuphoxide; SEM: Standard error of mean.
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Elufioye et al. (2017) studied this question.