Biodegradable food packaging is an important area to
be focused
on in preserving food. A biopolymer-based film was prepared with hybrid
nanoparticles (TiO2 + ZnO) mixed with pomegranate peel
powder (PPP) electrospin-coated over an aluminum foil. Morphological
analysis of the hybrid nanoparticles along with PPP was performed
using scanning electron microscopy and energy-dispersive X-ray spectroscopy.
The diffuse reflectance spectroscopy study exemplified that the coated
film was UV-protective. Cooked chapattis were stored in coated and
noncoated Al foil. Experimental rancidity and hydroperoxide (6th day:
2.85 ± 0.14) values exemplified that chapatti in the coated film
lasted for four more days compared to that in the noncoated film.
The antioxidant and antibacterial effects of the active mixture over
chapattis were analyzed using thiobarbituric acid reactive substance
and 2,2 diphenyl-1-picrylhydrazyl assays. The effective reduced bacterial
load on chapattis stored in the coated film on the 6th day was estimated
to be 3.1 × 103 cfu/mL and observed to be minimal.
The present work establishes a novel active mixture that could be
used as a coating in active food storage.
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