Fig. 1

The effects of Polygonum multiflorum ethanol extract (PME), different fractions of PME and tetrahydroxystilbene glucoside (TSG) on the liver index and serum AST, ALT and LDH under nonidiosyncratic models. a Liver index. b The level of AST. c The level of ALT. d The level of LDH (D). ^##: P < 0.01 compared to the C group, ^#: P < 0.05 compared to the C group; Negative control group (C); Chlorpromazine-positive group (P); high, medium and low doses of PME (CPH, CPM and CPL, respectively); water elution fraction of PME (W); high, medium and low doses of the 50% ethanol elution fraction of PME (FH, FM and FL, respectively); high, medium and low doses of the 95% ethanol elution fraction of PME (NH, NM and NL, respectively); and high, medium and low doses of TSG (TSGH, TSGM and TSGL, respectively)