Journal
RSC ADVANCES
Volume 11, Issue 37, Pages 22571-22584Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ra03819b
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This study prepared a new bionanocomposite based on CMC, AG, GL, GE, and TiO2-NPs, and evaluated their effectiveness in preserving fresh Nile tilapia fish fillets.
In this paper we describe the preparation of a new bionanocomposite based on carboxymethyl cellulose (CMC), Arabic gum (AG) and gelatin (GL), incorporating garlic extract (GE) and TiO2 nanoparticles (TiO2-NPs). The prepared bionanocomposites were evaluated using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), Energy Dispersive X-ray Analysis (EDX), and scanning electron microscopy (SEM), and were evaluated for their antimicrobial effect. The permeability and thermal and mechanical properties of the films were assessed. The water vapor transmission rate (WVTR), oxygen transmission rate (OTR), and mechanical, thermal and antimicrobial properties of the prepared bionanocomposite films were enhanced by the addition of GE and TiO2-NPs. The effects of GE and TiO2-NPs in combination incorporated into a CMC/AG/GL blend as an edible coating on the quality of fresh Nile tilapia fish fillets during refrigerated storage were evaluated. The microbiological status and weight loss of fresh Nile tilapia fish fillets were periodically tested for 21 days during storage at 4 degrees C. The results indicated that GE combined with TiO2-NPs has a synergistic influence on the enhancement of the preservation properties of CMC/AG/GL/GE-TiO2 bionanocomposites for refrigerated tilapia fish fillets, which could control microbial growth, and decrease weight loss during the storage of tilapia fish fillets.
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