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Development of nanocurcumin-incorporated biopolymer films for enhanced stability and pH-responsive monitoring
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This study developed biopolymer films using chitosan (CS), carboxymethyl cellulose (CMC), and pectin (Pec) incorporated with nanocurcumin (NCur). FE-SEM and ATR–FTIR analyses confirmed that NCur integration created denser microstructures through strengthened molecular interactions, improving tensile strength and elongation by up to 17% and 20%, respectively. Furthermore, NCur reduced moisture content and doubled antioxidant radical-scavenging activity. The films exhibited distinct pH-dependent colour transitions from yellow (acidic) to reddish-brown (alkaline). In beef storage trials, the films successfully monitored spoilage via recognisable colour shifts over two days. Overall, these NCur-loaded films demonstrate strong potential as sustainable, intelligent packaging for active preservation and real-time freshness monitoring.
Academy of Military Science and Technology
Title: Development of nanocurcumin-incorporated biopolymer films for enhanced stability and pH-responsive monitoring
Description:
This study developed biopolymer films using chitosan (CS), carboxymethyl cellulose (CMC), and pectin (Pec) incorporated with nanocurcumin (NCur).
FE-SEM and ATR–FTIR analyses confirmed that NCur integration created denser microstructures through strengthened molecular interactions, improving tensile strength and elongation by up to 17% and 20%, respectively.
Furthermore, NCur reduced moisture content and doubled antioxidant radical-scavenging activity.
The films exhibited distinct pH-dependent colour transitions from yellow (acidic) to reddish-brown (alkaline).
In beef storage trials, the films successfully monitored spoilage via recognisable colour shifts over two days.
Overall, these NCur-loaded films demonstrate strong potential as sustainable, intelligent packaging for active preservation and real-time freshness monitoring.
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