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    Extraction and Applications of Oakmoss Absolute Extract as a Functional Ingredient in Alginate-Guar Gum Composite Films for Food Packaging
    (Wiley, 2025) Bhatia, Saurabh; Alhadhrami, Aysha Salim; Shah, Yasir Abbas; Jawad, Muhammad; Koca, Esra; Aydemir, Levent Yurdaer; Alam, Tanveer; Al-Harrasi, Ahmed; Anwer, Md. Khalid; Mohan, Syam; Najmi, Asim; Khalid, Asaad
    Oakmoss absolute extract (OME) is a potential source for active antimicrobial and antioxidant components that can be used to develop an active packaging material. Active films were developed by impregnation of OME in sodium alginate (SA) and guar gum (GG)-based films. The effects of 0.5%-1.5% OME (w/v) over the physicochemical and antioxidant properties of SA-GG films were assessed. The mechanical properties (TS, EAB), water permeability, thickness, and opacity increased; however, moisture content decreased with the increase in the concentration of OME. SEM analysis represents that incorporation of OME resulted into heterogenous structure with pores and cracks. FTIR analysis showed that the addition of OME into SA-GG triggered interactions between SA-GG and OME. The color attributes of SA-GG films were significantly affected by the incorporation of OME. The XRD analysis revealed that the amorphous nature of the film remained unchanged after impregnation with OME. The films loaded with OME demonstrated higher antioxidant activity (measured by DPPH as well as ABTS radical scavenging) than control film. Thus, the addition of OME into SA-GG film was a valuable approach to synthesize active, bio-functional, and eco-friendly packing for the food industry.
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    Öğe
    Fabrication, Characterization, and Antioxidant Potential of Sodium Alginate/Acacia Gum Hydrogel-Based Films Loaded with Cinnamon Essential Oil
    (Mdpi, 2023) Bhatia, Saurabh; Al-Harrasi, Ahmed; Shah, Yasir Abbas; Altoubi, Halima Waleed Khalifa; Kotta, Sabna; Sharma, Priyanka; Anwer, Md. Khalid
    Several studies have reported the advantages of incorporating essential oils in hydrogel-based films for improving their physiochemical and antioxidant attributes. Cinnamon essential oil (CEO) has great potential in industrial and medicinal applications as an antimicrobial and antioxidant agent. The present study aimed to develop sodium alginate (SA) and acacia gum (AG) hydrogel-based films loaded with CEO. Scanning Electron Microscopy (SEM), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), Differential scanning calorimetry (DSC), and texture analysis (TA) were performed to analyze the structural, crystalline, chemical, thermal, and mechanical behaviour of the edible films that were loaded with CEO. Moreover, the transparency, thickness, barrier, thermal, and color parameters of the prepared hydrogel-based films loaded with CEO were also assessed. The study revealed that as the concentration of oil in the films was raised, the thickness and elongation at break (EAB) increased, while transparency, tensile strength (TS), water vapor permeability (WVP), and moisture content (MC) decreased. As the concentration of CEO increased, the hydrogel-based films demonstrated a significant improvement in their antioxidant properties. Incorporating CEO into the SA-AG composite edible films presents a promising strategy for producing hydrogel-based films with the potential to serve as food packaging materials.