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Ekor naga’s leaf (Rhaphidophora pinnata (Lf) Schott) is a type of vines and climbing plant. The leaves are elongated round and hollowed inside. This plant had been using for the treatment of breast cancer. Extraction with percolation method has been done in ekor naga’s leaves with ethanol, and fractionated by nhexane, chloroform and ethyl acetate using liquid-liquid extraction (LLE). Cytotoxicity assay of ethanol extract, n-hexane fraction, chloroform fraction, ethyl acetate fraction and water fraction against MCF-7 cells were done using MTT method (3-(4,5-dimetiltiazol-2-il)-2,5-diphenyl tetrazolium bromide). Phytochemical screening results showed the presence of the compounds such as triterpenoida/steroid, alkaloid, flavonoid, tannin, and saponin. n-hexane fraction was positive for the presence of triterpenoida/steroid, chloroform fraction containing alkaloids, saponin and triterpenoid; ethyl acetate fraction contained, flavonoid, tannin, and the fraction of water indicated the presence of tannin and saponin. Secondary metabolite compounds in ethanol extract, chloroform fraction and ethyl acetate fraction gave positive results against MCF-7 cells. Cytotoxicity assay of MCF-7 cell line showed that crude ethanol extracts had 112.240 mcg/ml IC50 chloroform fraction IC50 was 59.082 mcg/ml, and ethyl acetate fraction IC50 was 812.663 mcg/ml.</span

The activity of &lt;i&gt;Rhaphidophora pinnta&lt;/i&gt; Lf. Schott leaf on MCF-7 cell line

The activity of <i>Rhaphidophora pinnta</i> Lf. Schott leaf on MCF-7 cell line