Naked-eye freshness in 15 min
Responds to cadaverine and putrescine with dual color and fluorescence changes, enabling rapid on-site meat freshness screening without complex instruments.
Zhang, Jin · Yang, Ying · Zeng, Lintao · Wang, Jianlong
Food Chemistry 2023
response time <15 min
on-site detection within 5 min using smartphone-based fluorescence device
successfully applied to beef, chicken, and pork samples at 25 °C, 4 °C, and -20 °C