Chitosan-based freshness indicator film

Colorimetric mutton freshness

A colorimetric film with tuned pH and anthocyanin concentration exhibits high ammonia response, producing distinct color change upon spoilage of chilled mutton.

Zhao, Mou · Ziyi, Liao · Sun, Jingtao · Lu, Shiling · Ji, Hua · Dong, Juan

Food Chemistry 2025

Specifications

升高时拉伸强度从

{'zh': '58.850', 'en': ''} MPa

增至

{'zh': '38.406', 'en': ''} g·m⁻²·h⁻¹

增至

{'zh': '0.188', 'en': ''} cm³·cm·m⁻²·day⁻¹·atm⁻¹

花青素浓度

{'zh': '1.5', 'en': ''} mg/mL