The effect of chitosan solution concentration on the SD of capsules was less pronounced than the effect of xanthan solution concentration and chitosan solution pH. Increasing chitosan concentration from 0.7% to 1.0%(w/v) significantly decreased the degree of swelling only when chitosan pH was 5.5 and at xanthan concentrations of 0.7%or1.0%(w/v).No significant difference was observed at other conditions.