Mouluda Sohany, Intan Syafinaz Mohamed Amin Tawakkal, Siti Hajar Ariffin, Nor Nadiah Abdul Karim Shah et al.
In food packaging, smart indicator films based on natural resources have greatly attracted researchers to minimize the environmental issues as well as to satisfy consumer preferences for food safety. In this research, pH-sensitive films were prepared using purple-fleshed sweet potato starch (SPS) an...