Antibacterial Chitosan-Gelatin Microcapsules Modified with Green-Synthesized Silver Nanoparticles for Food Packaging

Li, Long; Lu, Yao; Chen, Yu; Bian, Jiayi; Wang, Li; Li, Li

doi:10.32604/jrm.2022.021456

Cited by 10 publications

(4 citation statements)

References 44 publications

(48 reference statements)

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“…The network distortion can also be confirmed by changing the position of the peak’s characteristic of C-H bonds (up to 3077, 2919 and 2873

). The interaction between the silver nanoparticles and the components of the hydrogel is supported by the shift of the bands that can be associated with the C–O bonds from the carboxyl group (up to 1398, 1197, 1156 and 1030

), as well as by the lack of spectral bands below 900

[ 37 , 40 , 41 , 42 , 43 , 44 ].…”

Section: Resultsmentioning

confidence: 99%

The Physicochemical and Antimicrobial Properties of Silver/Gold Nanoparticles Obtained by “Green Synthesis” from Willow Bark and Their Formulations as Potential Innovative Pharmaceutical Substances

et al. 2022

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Green chemistry is a pharmaceutical industry tool, which, when implemented correctly, can lead to a minimization in resource consumption and waste. An aqueous extract of Salix alba L. was employed for the efficient and rapid synthesis of silver/gold particle nanostructures via an inexpensive, nontoxic and eco-friendly procedure. The nanoparticles were physicochemically characterized using ultraviolet–visible spectroscopy (UV–Vis), Fourier transform infrared spectroscopy (FT-IR), dynamic light scattering (DLS), X-ray diffraction (XRD) and scanning electron microscopy (SEM), with the best stability of up to one year in the solution obtained for silver nanoparticles without any chemical additives. A comparison of the antimicrobial effect of silver/gold nanoparticles and their formulations (hydrogels, ointments, aqueous solutions) showed that both metallic nanoparticles have antibacterial and antibiofilm effects, with silver-based hydrogels having particularly high antibiofilm efficiency. The highest antibacterial and antibiofilm efficacies were obtained against Pseudomonas aeruginosa when using silver nanoparticle hydrogels, with antibiofilm efficacies of over 75% registered. The hydrogels incorporating green nanoparticles displayed a 200% increased bacterial efficiency when compared to the controls and their components. All silver nanoparticle formulations were ecologically obtained by “green synthesis” and were shown to have an antimicrobial effect or potential as keratinocyte-acting pharmaceutical substances for ameliorating infectious psoriasis wounds.

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“…The network distortion can also be confirmed by changing the position of the peak’s characteristic of C-H bonds (up to 3077, 2919 and 2873

), as well as by the lack of spectral bands below 900

[ 37 , 40 , 41 , 42 , 43 , 44 ].…”

Section: Resultsmentioning

confidence: 99%

The Physicochemical and Antimicrobial Properties of Silver/Gold Nanoparticles Obtained by “Green Synthesis” from Willow Bark and Their Formulations as Potential Innovative Pharmaceutical Substances

et al. 2022

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“…Chitosan and gelatin microcapsules with silver nanoparticle core (synthesized by using Ginkgo Biloba essential oil) were incorporated into polylactic acid (PLA) matrices. The film made in this way proved that it can extend the shelf life of carp fillets by 2-3 days, at refrigeration temperature [21].…”

Section: Applications Of Silver Nanoparticles In Food Bio Packagingmentioning

confidence: 81%

Silver Nanoparticles in Food Bio Packaging. A Short Review

Angelescu,

Grigorescu,

Ungureanu

2024

Scientific Bulletin of Valahia University - Materials and Mechanics

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For human survival, the agri-food sector is fundamental, starting from the cultivation of the land to the production of food that ends up on our tables. Unfortunately, over time, this sector has faced numerous challenges, such as the appearance of pests, environmental pollution, short shelf life and, last but not least, inadequate packaging materials. All these challenges have led researchers from all over the world to find new alternatives to guarantee food safety. The application of nanomaterials, i.e. nanoparticles, could be the solution sought by all scientists. In recent years, nanotechnology has made remarkable progress, especially regarding the application of metallic nanoparticles and their synthesis methods. In particular, silver nanoparticles have attracted attention, due to their special antimicrobial, electrical and optical properties, but also to the fact that they can be combined with nondegradable, biodegradable and edible polymers. However, there are many concerns regarding the toxicity of these nanoparticles. This article aims to present some recent findings regarding the application of silver nanoparticles in food bio packaging.

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“…Gelatin can be used to obtain edible films [ 26 , 27 , 28 , 29 ] for meat products [ 30 , 31 ] or post-harvest fruit and vegetable [ 32 , 33 , 34 , 35 ] preservation. Mechanical properties such as fragility, rigidity, and brittleness are common in gelatin films, which often require the addition of other compounds to improve their performance such as chitosan [ 36 , 37 , 38 , 39 ], sodium alginate [ 40 ], grapefruit-seed extract and TiO 2 [ 41 ], starch [ 42 ], and plant extracts [ 43 , 44 ]. Whey is a water-soluble compound, with the highest proportion in the composition of milk, in which valuable proteins are dissolved, conferring it with an appreciable nutritional value.…”

Section: Introductionmentioning

confidence: 99%

Characterization of a Graphene Oxide-Reinforced Whey Hydrogel as an Eco-Friendly Absorbent for Food Packaging

Lopes

Moldovan

Fechete

et al. 2023

Gels

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This study presents a structural analysis of a whey and gelatin-based hydrogel reinforced with graphene oxide (GO) by ultraviolet and visible (UV-VIS) spectroscopy, Fourier transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD). The results revealed barrier properties in the UV range for the reference sample (containing no graphene oxide) and the samples with minimal GO content of 0.66×10−3% and 3.33×10−3%, respectively, in the UV-VIS and near-IR range; for the samples with higher GO content, this was 6.67×10−3% and 33.33×10−3% as an effect of the introduction of GO into the hydrogel composite. The changes in the position of diffraction angles 2θ from the X-ray diffraction patterns of GO-reinforced hydrogels indicated a decrease in the distances between the turns of the protein helix structure due to the GO cross-linking effect. Transmission electron spectroscopy (TEM) was used for GO, whilst scanning electron microscopy (SEM) was used for the composite characterization. A novel technique for investigating the swelling rate was presented by performing electrical conductivity measurements, the results of which led to the identification of a potential hydrogel with sensor properties.

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Antibacterial Chitosan-Gelatin Microcapsules Modified with Green-Synthesized Silver Nanoparticles for Food Packaging

Cited by 10 publications

References 44 publications

The Physicochemical and Antimicrobial Properties of Silver/Gold Nanoparticles Obtained by “Green Synthesis” from Willow Bark and Their Formulations as Potential Innovative Pharmaceutical Substances

The Physicochemical and Antimicrobial Properties of Silver/Gold Nanoparticles Obtained by “Green Synthesis” from Willow Bark and Their Formulations as Potential Innovative Pharmaceutical Substances

Silver Nanoparticles in Food Bio Packaging. A Short Review

Characterization of a Graphene Oxide-Reinforced Whey Hydrogel as an Eco-Friendly Absorbent for Food Packaging

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