Development a smart edible nanocomposite based on mucilage of Melissa officinalis seed/montmorillonite (MMT)/curcumin
2019
Rostami, H. | Esfahani, A Aliakbar
The aim of the present study was, first to fabricate Melissa officinalis seed gum (MOSG)-based films incorporated with montmorillonite (MMT) at various concentrations and subsequently, evaluate of the physicochemical properties of the developed films. Afterward, the anti-bacterial and anti-mold activities of the developed nanocomposites were assessed. Finally, curcumin was incorporated into formulation of the fabricated film at optimal condition to sense pH changes. Incorporating MMT nanoparticles into MOSG-based films could reduce the thickness, water solubility and moisture content of the samples. Tensile strength (TS) and elongation at break (EB) values significantly increased with increase of MMT concentration. The nanoparticle addition specifically at higher levels resulted in increase of agglomeration. Neither anti-mold and nor anti-microbial activity were observed for the tested nanocomposites. The films containing curcumin had good antibacterial and anti-mold activities and can be used as smart package due to their ability to sense the pH change.
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