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A colorimetric hydrogen sulfide (H 2 S) sensor based on gellan gum capped silver nanoparticles was developed to real-time monitor meat spoilage. The colorimetric sensor strategy was attributed to the ultrastrong binding ability of Ag with H 2 S to form Ag 2 S. The sensor enables the analysis of H 2 S with a limit of detection (LOD) of 0.81 μM, and it exhibited excellent selectivity toward H 2 S against other volatile components generated from chicken breast and silver carp during spoilage. By these virtues, the sensor presented visible color changes from yellow to colorless by in situ and nondestructively sensing H 2 S generated from chicken breast and silver carp in a packaging system. This strategy provided a simple but useful, non-destructive, robust, cost-effective, and user-friendly platform to real time monitor meat spoilage for intelligent food packaging. © 2019 Elsevier Ltd
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Source :
Food Chemistry
ISSN: 0308-8146
Year: 2019
Volume: 290
Page: 135-143
6 . 3 0 6
JCR@2019
8 . 5 0 0
JCR@2023
ESI HC Threshold:133
JCR Journal Grade:1
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 180
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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