Research Article

Leaf-Methanolic Extract of Pseudopanax arboreus (Araliaceae) (L. F. Phillipson) Reverses Amitriptyline-Induced Sexual Dysfunction in Male Rats

Table 4

Effects of the leaf-methanolic extract of P. arboreus (ME1 and ME2) on penile licking (PL) and mean intromission interval (MII) (s) of amitriptyline-induced sexually impaired male rats.

Treatment
ParameterDayDWViagraME1ME2

PL13.20 ± 0.40ae5.21 ± 1.00ae3.60 ± 0.50ae4.40 ± 0.80ae
73.60 ± 0.40ae6.83 ± 1.00be3.80 ± 0.40ae4.92 ± 0.80ae
143.80 ± 0.40ae7.17 ± 1.00ae4.20 ± 0.40ae5.75 ± 0.75ae
213.72 ± 0.20ae6.20 ± 0.90be4.42 ± 0.28ae5.93 ± 0.90ae

MII (s)171.60 ± 15.50ae32.80 ± 8.00be43.60 ± 4.00ce54.80 ± 15.00de
742.20 ± 16.46af51.00 ± 10.80bf53.40 ± 6.15bf20.00 ± 14.32cf
1442.60 ± 15.91af38.00 ± 8.36be53.80 ± 5.10cf24.40 ± 4.97df
2161.00 ± 14.72ag38.60 ± 7.45be51.80 ± 6.11cf38.00 ± 16.36bg

Values presented as mean ± SEM; DW: distilled water; ME1: methanolic extract dose 1 (46.5 mg/kg); ME2: methanolic extract dose 2 (93 mg/kg); s: seconds; on the same row, values with same letter (a–d) are not significantly different; on the same row, values with different letters are significantly different; on the same column, values with the same letters (e-f) are not significantly different; on the same column, values with different letters are significantly different; PL: penile licking; MII: mean intromission interval (s).