Sample

Dissolution rate constants (mean ± S.D. (min⁻¹))

pH 1.2

pH 4.5

Swallowing aid jelly

0.472 ± 0.158

0.378 ± 0.224

Starch-based 7.1 (w/v) %

0.332 ± 0.097

0.522 ± 0.121

Starch-based 4.7 (w/v) %

0.466 ± 0.057

0.720 ± 0.348

Starch-based 2.4 (w/v) %

0.532 ± 0.193

0.709 ± 0.241

Xanthan gum-based 3.0 (w/v) %

0.015 ± 0.003**

0.009 ± 0.001

Xanthan gum-based 2.0 (w/v) %

0.038 ± 0.019*

0.014 ± 0.004

Xanthan gum-based 1.0 (w/v) %

0.100 ± 0.031

0.029 ± 0.019