Table 2.
Results of aspirin induced ulcerogenesis in pyloric ligation model.
| Parameters | Various groups | ||||
|---|---|---|---|---|---|
| Negative control | Ranitidine | Aqueous extract of Channa striata | |||
| 50 mg/kg | 30% w/v | 40% w/v | 50% w/v | ||
| Volume of gastric juice (mL) | 5.43 ± 0.22 | 4.36 ± 0.17** | 5.26 ± 0.16ns | 4.53 ± 0.16* | 4.23 ± 0.32** |
| pH | 3.83 ± 0.108 | 4.95 ± 0.16** | 3.33 ± 0.33ns | 3.68 ± 0.18ns | 3.65 ± 0.084ns |
| Free acidity | 51.00 ± 2.85 | 40.00 ± 2.47* | 45.00 ± 2.72ns | 44.00 ± 1.59ns | 39.33 ± 2.97* |
| Total acidity | 93.17 ± 1.86 | 85.50 ± 1.40** | 90.50 ± 1.72ns | 90.17 ± 1.74ns | 86.67 ± 1.20* |
| Ulcer index | 5.91 ± 0.45 | 2.75 ± 0.38*** | 4.00 ± 0.36** | 3.75 ± 0.38** | 3.08 ± 0.35*** |
| Percentage of inhibition | — | 53.46% | 32.31% | 36.54% | 47.88% |
| Catalase (units/mg of tissue) | 0.011 ± 0.011 | 0.059 ± 0.0032** | 0.041 ± 0.0079ns | 0.066 ± 0.0064** | 0.072 ± 0.012*** |
| Superoxide dismutase (units/mg of tissue) | 0.015 ± 0.010 | 0.071 ± 0.0094** | 0.027 ± 0.0050ns | 0.047 ± 0.012ns | 0.055 ± 0.013* |
| Malondialdehyde (moles/mg of tissue) | 0.190 ± 0.0012 | 0.089 ± 0.0013∗∗∗ | 0.088 ± 0.0034∗∗∗ | 0.085 ± 0.0078∗∗∗ | 0.072 ± 0.013*** |
Note: sample size (n) = 6 rats per group. Data is expressed as mean ± standard error of mean and standard deviation in parenthesis. *P < 0.05, **P < 0.01, ***P < 0.001 and ns nonsignificant versus negative control (on statistical analysis with ANOVA, followed by Dunnett's multiple comparison post hoc test).