The partial purified resveratrol was obtained from the skin of black grape fruit cultivated in Iraq using 80% ethanolic solution, then an acid hydrolysis with 10% HCl solution for (10–30) min at 60Cº was carried out. The aglycone moiety was taken with an organic solvent (chloroform), then using an open glass column packed with silica gelG 60 as a stationary phase and a mobile phase of; benzene: methanol: actic acid (20:4:1). The study utilized an in vitro evaluation for the cytotoxic effect of

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... he partially purified resveratrol on some cell lines including, the murine mammary adenocarcinoma (Ahmed –Mohammed –Nahi–2003 -AMN -3) cell line; the human laryngeal carcinoma (Hep -2) cell line and the Rat Embryo Fibroblast (REF) cell line at different concentrations and different exposure time of treatment. The partial purified resveratrol extract concentrations ranging (7.8–4000) µg/ml in a two fold serial dilutions were used to treat the three types of cell lines for 48 and 72 hours intervals. AMN-3 cell lines showed highest sensitivity toward the cytotoxic effect of the paritial purified resveratrol than other cell lines after 48 hours in a dose dependent manner. While Hep-2 cell line showed novel behavior, the lowest concentration of cell treatment gave the most significant (P< 0.01) inhibitory effect. Only the highest concentration gave significant inhibitory effect (P< 0.01) with the transformed Ref cell line.