Figure 1.

(a) Mean (±standard deviation) % cumulative release of sulfasalazine from tablets using compendial method. (b) Mean (±standard deviation) % cumulative release of sulfasalazine from tablets using 5.0% w/v human fecal slurries. (c) Mean (±standard deviation) % cumulative release of sulfasalazine from tablets using 4.5% w/v rat cecal contents. (d) Mean (±standard deviation) % cumulative release of sulfasalazine from tablets using 4.5% goat cecal contents. (e) Mean (±standard deviation) % cumulative release of sulfasalazine from tablets using probiotic medium