In MCF-7 cancer cells, the maximum growth inhibition of 87.6% was obtained at doses 250μg/ml, value comparable to that of 20μg/ml Toxol which caused to 95.1% growth inhibition of MCF-7 breast adenocarcinoma cells. The lowest growth inhibition of 77.04% was obtained at dose 100μg/ml of PSE. The mean growth inhibition was 82.76 %.