Development of Bio-Based Smart Edible Food Packaging Using Roselle Flower Extract and Eggshell Powder as Active AgentsIgnasius Radix A.P. Jati, Josephine Elaine, Erni Setijawaty and Adrianus Rulianto UtomoBIO Web Conf., 98 (2024) 05001DOI: https://doi.org/10.1051/bioconf/20249805001