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Cytotoxic activity of different extracts of V. vinifera stem against two cell types (HCT 116: (a); CaCo-2: (b)). (CYHA: Cyclohexane; DCM: Dichloromethane; ETOAC: Ethyl acetate; MeOH: Methanol; Tamoxifen: used as referance at 100 µM). Extracts were tested at 50 µg/mL. Means values ± SD (n = 3); Different letter on the histograms means a significant difference (p ≤ 0.05).
