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Fig. 6. Evaluation of effects of leaf, flower and stem extracts of S. acmella on the viability of
cancer cell lines (a) MCF-7 (b) A549 and (c) Saos-2 after 48 hours of treatment by MTT
assay. (d) IC50 values of the plant extracts for inhibition of viability of the cancer cell lines.
(*)Star indicates significant inhibition of viability of the cancer cell lines upon treatment with
the plant extracts as compared to control or untreated group. *P<0.05, **P<0.01.
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