Antioxidant Polymers for Food Packaging

Cirillo, Giuseppe; Curcio, Manuela; Spataro, Tania; Picci, Nevio; Restuccia, Donatella; Iemma, Francesca; Spizzirri, Umile Gianfranco

doi:10.1016/b978-0-12-811516-9.00006-3

Cited by 13 publications

(12 citation statements)

References 132 publications

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“…The first weight loss at 140 °C was due to the loss of moisture content. In the next stage, the pure PLA film showed 96% weight loss in the range of 300 °C to 382 °C, which corresponded to the removal of the ester group on de-polymerization [42,43,44]. The second weight loss (85.3 to 95.7%) of the PLA/ZnO bionanocomposite films occurred in the range of 240 °C to 345 °C, which was a slightly lower temperature as compared to the second weight loss for the pure PLA film.…”

Section: Resultsmentioning

confidence: 99%

Poly(Lactic Acid)/ZnO Bionanocomposite Films with Positively Charged ZnO as Potential Antimicrobial Food Packaging Materials

et al. 2019

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A series of PLA/ZnO bionanocomposite films were prepared by introducing positively surface charged zinc oxide nanoparticles (ZnO NPs) into biodegradable poly(lactic acid) (PLA) by the solvent casting method, and their physical properties and antibacterial activities were evaluated. The physical properties and antibacterial efficiencies of the bionanocomposite films were strongly dependent on the ZnO NPs content. The bionanocomposite films with over 3% ZnO NPs exhibited a rough surface, poor dispersion, hard agglomerates, and voids, leading to a reduction in the crystallinity and morphological defects. With the increasing ZnO NPs content, the thermal stability and barrier properties of the PLA/ZnO bionanocomposite films were decreased while their hydrophobicity increased. The bionanocomposite films showed appreciable antimicrobial activity against Staphylococcus aureus and Escherichia coli. Especially, the films with over 3% of ZnO NPs exhibited a complete growth inhibition of E. coli. The strong interactions between the positively charged surface ZnO NPs and negatively charged surface of the bacterial membrane led to the production of reactive oxygen species (ROS) and eventually bacterial cell death. Consequently, these PLA/ZnO bionanocomposite films can potentially be used as a food packaging material with excellent UV protective and antibacterial properties.

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Section: Resultsmentioning

confidence: 99%

Poly(Lactic Acid)/ZnO Bionanocomposite Films with Positively Charged ZnO as Potential Antimicrobial Food Packaging Materials

et al. 2019

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“…Антиоксидантную способность полиолефинам (полиэтилену высокой плотности, линейному полиэтилену низкой плотности и полипропилену) можно повысить путем смешивания в расплаве с танинами винограда. При этом предел активной концентрации танинов, например, для полипропилена, составляет 1% [7].…”

Section: Discussionunclassified

Justification of selection of packaging material and packing method for preservation of vitamin-mineral concentrate quality

Лукьяненко¹,

Викторова²,

Achmiz³

et al. 2020

Vestn. Voronež. gos. univ. inž. tehnol.

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In the production of quality food products, special attention must be paid to its packaging and storage. These process steps are especially important for products containing labile biologically active substances. In order to select packaging materials and packing method, an analysis of the scientific literature was conducted with the search query “packaging materials for foodstuffs” and “the effect of packaging on the preservation of vitamins during food storage” in the Google Scholar system. The article presents trends in the development and use of packaging materials, reflects the advantages and disadvantages of biopolymers, as well as prospects for improving the characteristics of packaging materials. As an example, for the choice of packaging material and packing method, data from Russian scientists based on packaging materials used in the Russian Federation is given. Storage of beef steaks in bags with reduced gas permeability under vacuum and a modified gas atmosphere with a reduced content of free space for 14 days contributes to the inhibition of bacteria. Storage of sterilized and ultra-pasteurized milk is preferably in bags of a three-word film filled with titanium dioxide, in comparison with glass packaging, due to a decrease in light transmission and a decrease in the rate of decomposition of vitamin C. It is preferable to store orange juice in packages of combined materials that exclude the presence of an air cushion, which positively affects the content of vitamin C. Based on the analysis of packaging materials used in the food industry and taking into account the humidity and chemical composition of the vitamin and mineral concentrate, it seems appropriate to use packaging materials made of polymer films with high light and gas impermeability, which can reduce the rate of destruction of vitamin C and other easily oxidized components and eliminate the use of ? -radiation, replacing it by evacuation. The use of edible films for vitamin and mineral concentrate as packaging materials remains open and requires more careful study.

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“…For instance, tannic acid has been studied concomitantly with chitosan (Kaczmarek et al 2019a). To date, mainly phenolic acids are used as additives to polymeric materials, such as ferulic acid (Cirillo et al 2018), ellagic acid (Karaseva et al 2019), gallic acid (Xie et al 2018) as well as tannic acid (Buono et al 2018). They also provide new active biological properties as antibacterial or antioxidant (de Dicastillo et al 2016;Kadzinska et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Development of tannic acid-enriched materials modified by poly(ethylene glycol) for potential applications as wound dressing

et al. 2020

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The interests in the biomedical impact of tannic acid (TA) targeting production of various types of biomaterials, such as digital microfluids, chemical sensors, wound dressings, or bioimplants constantly increase. Despite the significant disadvantage of materials obtained from natural-based compounds and their low stability and fragility, therefore, there is an imperative need to improve materials properties by addition of stabilizing formulas. In this study, we performed assessments of thin films over TA proposed as a cross-linker to be used in combination with polymeric matrix based on chitosan (CTS), i.e. CTS/TA at 80:20 or CTS/TA at 50:50 and poly(ethylene glycol) (PEG) at the concentration of 10% or 20%. We evaluated their mechanical parameters as well as the cytotoxicity assay for human bone marrow mesenchymal stem cells, human melanotic melanoma (MNT-1), and human osteosarcoma (Saos-2). The results revealed significant differences in dose-dependent of PEG regarding the maximum tensile strength (σmax) or impact on the metabolic activity of tissue culture plastic. We observed that PEG improved mechanical parameters prominently, decreased the hemolysis rate, and did not affect cell viability negatively. Enclosed data, confirmed also by our previous reports, will undoubtedly pave the path for the future application of tannic acid-based biomaterials to treat wound healing.

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Antioxidant Polymers for Food Packaging

Cited by 13 publications

References 132 publications

Poly(Lactic Acid)/ZnO Bionanocomposite Films with Positively Charged ZnO as Potential Antimicrobial Food Packaging Materials

Poly(Lactic Acid)/ZnO Bionanocomposite Films with Positively Charged ZnO as Potential Antimicrobial Food Packaging Materials

Justification of selection of packaging material and packing method for preservation of vitamin-mineral concentrate quality

Development of tannic acid-enriched materials modified by poly(ethylene glycol) for potential applications as wound dressing

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