Enhanced antimicrobial and physical properties of poly (butylene adipate‐co‐terephthalate)/zinc oxide/reduced graphene oxide ternary nanocomposite films

Charoensri, Korakot; Rodwihok, Chatchai; Ko, Seong Hyuk; Wongratanaphisan, Duangmanee; Park, Hyun Jin

doi:10.1016/j.mtcomm.2021.102586

Cited by 12 publications

(12 citation statements)

References 31 publications

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“…To ensure sustained growth in the seafood product market, it becomes essential to introduce and develop active packaging solutions with high-performance antimicrobial materials capable of reducing off-flavor and blocking harmful UV rays [6][7][8][9]. Zinc oxide (ZnO) has emerged as a promising candidate for active packaging development owing to its dual functionality as a UV-blocking and antimicrobial agent [10][11][12][13][14][15]. Numerous reports substantiate ZnO's antimicrobial efficacy against both Gram-positive and Gram-negative bacteria.…”

Section: Introductionmentioning

confidence: 99%

Innovative HDPE Composites Enriched with UV Stabilizer and Diatomaceous Earth/Zinc Oxide for Enhanced Seafood Packaging and Antimicrobial Properties

Charoensri,

Shin,

Park

2023

Polymers

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The fisheries industry encounters distinct packaging challenges, including the need to protect perishable seafood from rapid spoilage caused by UV radiation while allowing for reuse. This study tackles these issues by introducing advanced high-density polyethylene (HDPE) composites enhanced with a UV stabilizer and inorganic fillers, such as diatomaceous earth/zinc oxide (DZ). Our investigation explores the transformative effects of weathering on these pioneering composites, evaluating shifts in mechanical, physical, thermal properties, and sub-zero temperature stability. Incorporating a UV stabilizer alongside DZ within the HDPE matrix significantly enhances mechanical performance and weathering resilience. These enhancements extend the longevity of seafood packaging while preserving product quality. Moreover, our findings reveal a substantial breakthrough in antimicrobial properties. The inclusion of DZ, with or without a UV stabilizer, results in an impressive up to 99% enhancement in antibacterial activity against both Gram-positive and Gram-negative bacteria. This discovery not only bolsters the protective attributes of HDPE packaging but also presents a compelling case for the development of active packaging materials derived from DE/ZnO composites. This study bridges the gap between packaging and seafood quality, introducing advanced polymeric packaging technology for seafood products. It highlights the mutually beneficial link between packaging improvements and ensuring seafood quality, meeting industry needs while promoting sustainability.

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Section: Introductionmentioning

confidence: 99%

Innovative HDPE Composites Enriched with UV Stabilizer and Diatomaceous Earth/Zinc Oxide for Enhanced Seafood Packaging and Antimicrobial Properties

Charoensri,

Shin,

Park

2023

Polymers

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“…Similarly, ZnO is FDA-approved as GRAS [ 26 ]. ZnO is widely utilized in various fields because of its remarkable antimicrobial photocatalytic properties [ 26 , 27 ]. According to numerous reports, ZnO exhibits antimicrobial properties against both gram-positive and gram-negative bacteria.…”

Section: Introductionmentioning

confidence: 99%

“…According to numerous reports, ZnO exhibits antimicrobial properties against both gram-positive and gram-negative bacteria. Several mechanisms have been proposed for the antibacterial activities of ZnO, including the release of metal ions, the interaction of ZnO nanoparticles with microorganisms, and the formation of reactive oxygen species (ROS) by the effect of light radiation [ 26 , 27 , 28 ]. The antimicrobial activity of ZnO is enhanced by increasing the surface area-to-volume ratio, which results in increased H 2 O 2 production.…”

Section: Introductionmentioning

confidence: 99%

Active Packaging Material Based on Immobilized Diatomaceous Earth/Zinc Oxide/High-Density Polyethylene Composite for Sea Food and Products

Charoensri

Shin

Kim³

et al. 2022

Polymers

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One of the key factors of supporting the rapidly expanding seafood product industry in terms of quality control is the utilization of active packaging materials. Microorganisms are primarily responsible for the perishability and rapid disintegration of seafood. The incorporation of an inorganic compound, such as silica-based diatomaceous earth (DE), and a metal oxide, such as zinc oxide (ZnO), is proposed to develop active packaging materials with excellent antibacterial activity, minimized fishy odor, and brittleness at subzero temperatures. The mechanical, morphological, and physicochemical properties of these materials were investigated. The results show that the addition of DE/ZnO improved the antibacterial activity of high-density polyethylene (HDPE) samples by up to approximately 95% against both gram-positive and -negative bacteria. Additionally, it enhanced the Izod strength and stability at subzero temperatures of the samples. The odor evaporation test revealed that trimethylamine can be minimized in proportion to increasing DE/ZnO composite concentration. As a result, the development of active packaging materials from DE/ZnO composites is an emerging polymeric packaging technology for seafood products, wherein packaging and seafood quality are linked.

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“…The neat PBAT film usually exhibits a smooth surface, homogeneous and flexible. When NP were incorporated, the film exhibited a rougher surface and agglomerates on the PBAT matrix [42,43]. Increasing the concentration of ZnO increased the size of the dispersed agglomerates of NP.…”

Section: Morphology and Crystallinitymentioning

confidence: 99%

“…ZnO will only exist in the rocksalt structure at relatively high pressures [45]. ZnO NP usually presents a hexagonal wurtzite structure with very sharp Xray diffraction (XRD) peaks [42,43,46]. However, the ZnO can also present broadband without any typical diffraction peak due to water within the nanoparticle structure, which hinders the crystalline structure.…”

Section: Morphology and Crystallinitymentioning

confidence: 99%

Use of Zinc Oxide Nanoparticles Incorporated in Polybutylene Adipate Terephthalate for Food Packaging. A Focus on the Impact in Functional and Physic‐Mechanical Properties and on Migration Thereof

Mendes,

Teixeira,

Poças

2024

Packag Technol Sci

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Polybutylene adipate terephthalate (PBAT) and zinc oxide nanoparticles (ZnO NP) are among the most studied when it comes to address biodegradability and antimicrobial properties of materials for food packaging. This work presents a critical review of recent scientific literature with a focus on the impact in functional, physic‐mechanical properties, compostability and on safety. The properties of the nanoparticles, such as morphology and size reported are reviewed together with the range of concentrations and methods of incorporation in the PBAT matrix. The effect on antimicrobial and antioxidant activities, thermostability, tensile and optical properties, as well as on mass transfer properties (barrier to moisture and gases and migration into foods) is discussed. The properties of PBAT/ZnO depend on particle size, shape and concentration of the ZnO NP. Particles with higher surface area and smallest size are reported to have the best performance (usually the spherical shaped). However, information on the morphology/size of the nanoparticle is often not provided. The typical concentration of NP incorporation ranges from 0.5 to 5%, but the interpretation of results regarding the effect of concentration is highly limited due to poor information on the statistical significance of the results, particularly for low concentrations of incorporation. Another limitation found regards the film production method, because most of the studies are based in films prepared by solvent‐casting and not by extrusion. Antimicrobial activity is directly linked with the concentration of ZnO NP. Most studies applied in vitro experiments and not tests in real foods (in situ). Zinc migration can occur as the whole nanoparticle or in the ionic form. Studies indicate that migration of ZnO in the nano form is not expected if the nanoparticle is completely embedded in a polymeric matrix, which can be confirmed by some well‐established techniques. However, studies focusing on migration from other matrices are lacking. Further investigations are needed to achieve a balanced incorporation of ZnO NP considering the particle activity and zinc migration and to evaluate the impact on safety when used in food packaging.

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Enhanced antimicrobial and physical properties of poly (butylene adipate‐co‐terephthalate)/zinc oxide/reduced graphene oxide ternary nanocomposite films

Cited by 12 publications

References 31 publications

Innovative HDPE Composites Enriched with UV Stabilizer and Diatomaceous Earth/Zinc Oxide for Enhanced Seafood Packaging and Antimicrobial Properties

Innovative HDPE Composites Enriched with UV Stabilizer and Diatomaceous Earth/Zinc Oxide for Enhanced Seafood Packaging and Antimicrobial Properties

Active Packaging Material Based on Immobilized Diatomaceous Earth/Zinc Oxide/High-Density Polyethylene Composite for Sea Food and Products

Use of Zinc Oxide Nanoparticles Incorporated in Polybutylene Adipate Terephthalate for Food Packaging. A Focus on the Impact in Functional and Physic‐Mechanical Properties and on Migration Thereof

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