The first-order dissolution rate constant (Mean ± S.D. (min⁻¹))

branded product

generic product

A

B

C

D

Starch based 7.1 (w/v) %

0.205 ± 0.080

0.182 ± 0.029***

0.253 ± 0.02*

0.176 ± 0.012*

Starch-based 4.7 (w/v) %

0.430 ± 0.089

0.230 ± 0.029

0.305 ± 0.09

0.222 ± 0.023

Xanthan gum-based 3.0 (w/v) %

0.093 ± 0.040

0.095 ± 0.024*

0.120 ± 0.002

0.201 ± 0.011**

Xanthan gum-based 2.0 (w/v) %

0.094 ± 0.005

0.108 ± 0.073

0.191 ± 0.014

0.118 ± 0.019

Xanthan gum-based 1.0 (w/v) %

0.152 ± 0.036

0.036 ± 0.031

0.169 ± 0.061

0.016 ± 0.001*