Research Article

Effects of Aqueous and Methanolic Extracts of Stem Bark of Alstonia boonei De Wild. (Apocynaceae) on Dextran Sodium Sulfate-Induced Ulcerative Colitis in Wistar Rats

Table 4

Effects of the aqueous and methanol stem-bark extracts of A. boonei on colon, liver, and spleen mass in DSS-induced colitis in rats.

TreatmentDose (mg/kg)Mass (g)
ColonLiverSpleen

Normal control176 ± 0,095.43 ± 0.100,66 ± 0,06
DMSO (5 %) + PBS1,42 ± 0,054,87 ± 0,090,55 ± 0,02
Prednisolone41,67 ± 0,055,08 ± 0,490,51 ± 0,01
Aqueous extract1251,65 ± 0,075,60 ± 0,520,64 ± 0,05
2501,43 ± 0,125,01 ± 0,320,64 ± 0,02
Methanol extract1251,45 ± 0,085,32 ± 0,210,64 ± 0,04
2501,60 ± 0,075,61 ± 0,240,66 ± 0,03

Values are expressed as mean ± SEM for six animals and analyzed by one-way ANOVA followed by Tukey post hoc test.