Fig. 4. Latency time for training (A) and test trial (B) in passive avoidance test of mice fed PSW and LPSW.
All values are means±SE. a–d Means with different letters on the bars different significantly at p<0.05. Control (CON); scopolamine (SCO, 1 mg/kg body weight (B.W.), intraperitoneally (i.p.); tetrahydroaminoacridine 10 [THA 10, tacrine; 10 mg/kg B.W. per oral (p.o.) with SCO (i.p.)]; pig skin water extracts [PSW 10, 10 mg/kg B.W. (p.o.) with SCO (i.p.)]; PSW 40 [40 mg/kg B.W. (p.o.) with SCO (i.p.)]; low molecular weight pig skin water extracts [LPSW 100, 100 mg/kg B.W. (p.o.) with SCO (i.p.)]; LPSW 400 [400 mg/kg B.W. (p.o.) with SCO (i.p.)].
