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IC50 values of the Saussurea costus extracts against cancer cell lines. The graph plotted between the percentage of viable cells of the cell lines MCF-7, HepG2, and HCT116 treated against the various concentrations (μg/ml) of extracts, viz., (a) methanol, (b) hexane, (c) chloroform, (d) ethyl acetate, (e) butanol, and the drug (f) doxorubicin. The percentage of viable cells was determined by SRB assay after 72 hours of treatment with an extract or the drug doxorubicin.
