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Grewia bracteata Roth stem was investigated for its anticancer potential for the first time. Initially, polarity-guided extracts from three solvents were screened on HeLa, HCT- 116 and MCF-7 tumours cells.… Click to show full abstract
Grewia bracteata Roth stem was investigated for its anticancer potential for the first time. Initially, polarity-guided extracts from three solvents were screened on HeLa, HCT- 116 and MCF-7 tumours cells. The results revealed that ethyl acetate extract (GSE) significantly (p < 0.05) inhibited HeLa, HCT- 116 and MCF-7 cells with respective IC50 values of 30.58, 14.26 and 22.91 µg/mL. GSE inhibited HCT-116 cells with 6- and 21-folds higher than hexane (GSN) and methanol (GSM) extracts, respectively. Hence, column chromatography of GSE was performed and fractionated to 18 fractions. The obtained fractions were further tested on HCT-116 cells. Amongst, the fractions HF6 and DF1 were active with the respective IC50 values of 25.35 and 31.28, µg/mL (p < 0.05). These active fractions were profiled using H1-NMR, C13-NMR and LC-MS/MS analysis, and found the presence of pentacyclic triterpenoids like betulin diacetate and ursolic acid.
Journal Title: Natural product research
Year Published: 2023
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