Fig. 2
From: In vitro study on antioxidant and lipid-lowering activities of tobacco polysaccharides
The survival rate of HepG-2 cells induced by OA and tobacco polysaccharides fractions (YCT-1, YCT-2 and YCT-3). a Effects of OA on survival rates of HepG-2 cells, **P < 0.01, ***P < 0.001 vs Control group; b Effects of different tobacco polysaccharides fractions on the survival rate of HepG-2 cells, ***P < 0.001 for comparison between the two groups