From leather waste to smart packaging: Collagen hydrolysate- and anthocyanin-based biocomposite films for the real-time monitoring of raw food freshness.
The precise and timely assessment of food freshness is pivotal for safeguarding food quality. Here, multifunctional biofilms were fabricated using hazardous leather waste-chrome shaving dust (CSD)-derived collagen hydrolysate (CH), sodium alginate (SA), and glycerol (G), loaded with onion peel anthocyanin (OPA) and dah...