Cytotoxicity against Human Hepatocellular Carcinoma (HepG2) Cells and Anti-Oxidant Activity of Selected Endemic or Medicinal Plants in Sri Lanka

Figure 2

Microscopic observations of HepG2 cells (magnification = ×100) treated with selected active plant extracts (IC₅₀ < 50 μg/mL) after 48 h incubation; 50 μg/mL and 200 μg/mL of (1A) A. cobbe leaves – hexane, (1B) A. cobbe leaves – dichloromethane, and (1C) A. cobbe leaves – ethyl acetate; (2A) A. cobbe – methanol, (2B) A. bicolor leaves – hexane, and (2C) A. bicolor leaves – dichloromethane; (3A) A. bocolor leaves – ethyl acetate, (3B) A. bicolor bark – dichloromethane, and (3C) M. pinnata leaves – ethyl acetate; S. castaneifolia leaves extracts (4A) dichloromethane and (4B) ethyl acetate and S. castaneifolia barks (4C) hexane; and S. castaneifolia barks (5A) dichloromethane, (5B) ethyl acetate, and (5C) methanol. Scale bar 400 μm.