Research Article

Comparative Evaluation of the Antidiabetic Effects of Different Parts of Cassia fistula Linn, a Southeast Asian Plant

Table 3

Effect of repeated administration of methanolic and aqueous extracts of bark, leaf, and flower of Cassia fistula on glucose level in STZ-nicotinamide induced diabetic animals.

Experimental group Blood glucose concentration (mg/dL)
Initial concentration Diabetic rats
0 7 14 21

Normal control 7 6 . 5 8 ± 1 . 5 7 5 . 2 6 ± 1 . 8 2 7 4 . 4 3 ± 1 . 7 4 7 6 . 5 9 ± 1 . 8 7 7 . 4 6 ± 1 . 7 4
Diabetic control 8 4 . 5 ± 1 . 8 2 1 6 . 3 ± 3 . 7 2 1 8 . 4 ± 4 . 2 0 2 1 4 . 5 ± 4 . 2 0 2 1 8 . 2 ± 6 . 2 1
Glibenclamide 8 0 . 4 ± 2 . 6 2 1 3 . 7 ± 4 . 1 1 7 5 . 5 ± 5 . 0 5 b 155.5 ± 5.04c146.1 ± 5.71c
BME 250 mg/kg 7 6 . 7 ± 2 . 3 216 ± 3.8 2 0 0 . 6 ± 4 . 5 1 186.6 ± 4.64b185.7 ± 4.64b
BAE 250 mg/kg 7 7 . 5 ± 1 . 8 213 ± 4.0 2 0 8 . 7 ± 4 . 2 9 1 9 9 . 5 ± 4 . 3 4 191.5 ± 4.26a
BME 500 mg/kg 7 6 . 9 ± 1 . 6 2 1 3 . 2 ± 4 . 2 193.8 ± 3.90a169.4 ± 3.89c158.9 ± 3.89c
BAE 500 mg/kg 8 2 . 8 ± 3 . 4 2 1 4 . 5 ± 4 . 1 2 0 5 . 7 ± 6 . 0 6 190.8 ± 5.83b189.7 ± 5.79a
LME 250 mg/kg 7 7 . 7 ± 3 . 1 2 1 3 . 7 ± 3 . 1 2 0 7 . 9 ± 8 . 6 0 194.7 ± 4.64a189.7 ± 4.65a
LAE 250 mg/kg 7 6 . 6 ± 2 . 3 2 1 4 . 2 ± 4 . 9 2 1 2 . 1 ± 5 . 1 3 1 9 8 . 5 ± 4 . 6 6 190.6 ± 4.65a
LME 500 mg/kg 7 5 . 6 ± 3 . 2 2 1 7 . 8 ± 3 . 0 1 9 8 . 5 ± 5 . 7 1 177.6 ± 5.69c168.6 ± 5.68c
LAE 500 mg/kg 7 7 . 9 ± 1 . 2 2 1 5 . 3 ± 4 . 5 2 0 9 . 4 ± 4 . 0 7 201 ± 3.52 1 9 4 . 9 ± 3 . 6 1
FME 250 mg/kg 8 4 . 2 ± 2 . 6 2 1 2 ± 3 . 0 2 1 3 . 1 ± 8 . 6 2 2 0 4 . 2 ± 5 . 0 1 1 9 6 . 2 ± 5 . 0 1
FAE 250 mg/kg 7 9 . 2 ± 2 . 2 2 1 0 . 5 ± 5 . 0 214 ± 10.11 2 0 5 . 2 ± 4 . 6 1 1 9 7 . 7 ± 6 . 0 7
FME 500 mg/kg 7 8 . 4 ± 2 . 6 2 1 9 . 8 ± 3 . 8 2 0 8 . 5 ± 4 . 9 4 1 9 8 . 4 ± 4 . 9 8 1 9 1 . 4 ± 4 . 9 7
FAE 500 mg/kg 8 1 . 8 ± 2 . 6 2 2 1 . 3 ± 0 . 7 2 1 0 . 9 ± 4 . 9 2 2 0 4 . 9 ± 5 . 0 5 1 9 7 . 8 ± 5 . 0 5

Values are mean ± SEM ( 𝑛 = 6 ).
𝑃 value: a < 0.05, b < 0.01, c < 0.001 as compared with diabetic control group (by one-way ANOVA followed by Dunnett’s multiple comparison test).