Fabrication of Quercetin-Loaded Biopolymer Films as Functional Packaging Materials

Abstract

Three functional packaging films were prepared by adding quercetin into three different polymers, carboxymethyl cellulose (CMC), gelatin, and poly(lactic acid) (PLA). Quercetin was more compatible with CMC compared to gelatin and PLA. The mechanical strength of the CMC film improved while it decreased for the gelatin and PLA films on the incorporation of quercetin. The addition of quercetin completely blocked the UV transmission of the biopolymer films while reducing some transparency. The release of quercetin depended on the food simulant solution, polymer type, and temperature, and it was highest for the gelatin/quercetin film in 50% ethanol at 25 °C. The quercetin-added films showed antioxidant and antibacterial activities subject to the release rate of quercetin. The CMC/quercetin and gelatin/quercetin films showed significant inhibition function on Listeria monocytogenes and Escherichia coli.

Gelatin/Carrageenan-Based Functional Films with Carbon Dots from Enoki Mushroom for Active Food Packaging Applications

“…In addition to the hydrophilicity of mCDs, the aqueous solution readily penetrates the hydrophilic Gel/Carr matrix, being sufficiently hydrated to form a more open structure and releasing the mCDs rapidly. In contrast, alcohol has limited access to the Gel/Carr polymer, which traps the mCDs in the polymer matrix and reduces diffusion and mobility in the closed structure . Therefore, mCDs have been released more slowly in 50 and 95% alcohol solutions than in water and 10% alcohol solutions.…”

“…In contrast, alcohol has limited access to the Gel/Carr polymer, which traps the mCDs in the polymer matrix and reduces diffusion and mobility in the closed structure. 54 Therefore, mCDs have been released more slowly in 50 and 95% alcohol solutions than in water and 10% alcohol solutions. The increased release rate of mCDs under hydrophilic conditions is expected to enhance the functional properties of the film when in contact with food.…”

Genipin-Crosslinked Gelatin/Chitosan-Based Functional Films Incorporated with Rosemary Essential Oil and Quercetin

“…On the other hand, the most commonly found dietary bioactive compound quercetin can be another useful biomaterial for active packaging due to its good antioxidant and antibacterial activity [ 36 , 37 ]. Quercetin is a polyphenolic compound commonly found in many fruits and vegetables [ 38 ].…”

Novel, bioactive film based on methylcellulose incorporated with quercetin-loaded nanoparticles: Bifunctional antioxidant and ultraviolet- shielding properties

“…Goudar et al (2021) investigated the influence of zinc oxide nanoparticles (ZnO-NPs) on the physicochemical properties of a poly(vinyl alcohol) (PVOH)/Spathodea campanulata bud fluid matrix. However, the scientific findings are limited on the fabrication of QC into packaging films (Souza et al, 2015;Ezati and Rhim, 2021;Tavassoli et al, 2021). Therefore, the current work aimed: 1) to prepare QC-NPs using a rapid expansion of subcritical solutions into liquid solvents using the RESOLV approach; 2) to determine the AO activities of QC-NPs; and 3) to assess the AO activities and UVshielding property of QC-NPs impregnated in cellulosic packaging films.…”