Lignin for Food Packaging: A Review on Its Role as Bio-based Reinforcement and Active Functional MaterialRina Ningtyas, Dea Talitha Syahara, Adam Febriyanto Nugraha, Nelson Saksono and Mochamad ChalidBIO Web Conf., 197 (2025) 04004DOI: https://doi.org/10.1051/bioconf/202519704004