Biopolymer hydrogels based on polysaccharide and protein: Interactions with anthocyanins and bioactive compounds in active and intelligent food packaging: A review.
Hydrogel-based materials derived from biological macromolecules have emerged as promising platforms for multifunctional food packaging. This review critically examines how the molecular structures of major biopolymers, including chitosan, alginate, starch, cellulose derivatives, gelatin, casein, and related polysacchar...