Dual pH-responsive packaging film based on modified bacterial cellulose Pickering emulsion: impact of anthocyanin content.
In this study, bacterial cellulose (BC) was functionally modified to obtain BC-COOH nanoparticles, which were used to prepare Pickering emulsions (5-25%, v/v). The 10% oil emulsion showed optimal stability with a droplet size of 6.67 μm, a zeta potential of -45.16 mV, and pronounced pH sensitivity. The dual pH-responsi...