Combined effects of cellulose nanocrystals and silver nanoparticles on the barrier and migration properties of PLA nano-biocomposites

Fortunati, Elena; Peltzer, Mercedes Ana; Armentano, Ilaria; Jiménez, Alfonso; Kenny, J. M.

doi:10.1016/j.jfoodeng.2013.03.025

Cited by 205 publications

(122 citation statements)

References 43 publications

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“…A release kinetics study was also performed in ethanol 10% (v/v) for 20 days to study the gradual 226 release of Ag + to the simulant at 40 ºC (Fortunati, Peltzer, Armentano, Jiménez, & Kenny, 2013). 227 Diffusion coefficients were calculated from the beginning of the release process by using a 228 the polymer matrix and M F,t is the amount of migrant transferred from the film to the food simulant 232 from time zero to time t(s).…”

Section: Metrotec Sa Spain) Film Thicknesses Were Measured Wmentioning

confidence: 99%

Nano-biocomposite films with modified cellulose nanocrystals and synthesized silver nanoparticles

Fortunati

Rinaldi

Peltzer

et al. 2014

Carbohydrate Polymers

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169

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26Ternary nano-biocomposite films based on poly(lactic acid) (PLA) with modified cellulose 27 nanocrystals (s-CNC) and synthesized silver nanoparticles (Ag) have been prepared and 28 characterized. The functionalization of the CNC surface with an acid phosphate ester of ethoxylated 29 nonylphenol favoured its dispersion in the PLA matrix. The positive effects of the addition of 30 cellulose and silver on the PLA barrier properties were confirmed by reductions in the water 31 permeability (WVP) and oxygen transmission rate (OTR) of the films tested. The migration level of 32 all nano-biocomposites in contact with food simulants were below the permitted limits in both non-33 polar and polar simulants. PLA nano-biocomposites showed a significant antibacterial activity 34 influenced by the Ag content, while composting tests showed that the materials were visibly 35 disintegrated after 15 days with the ternary systems showing the highest rate of disintegration under 36 composting conditions. 37 38

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Section: Metrotec Sa Spain) Film Thicknesses Were Measured Wmentioning

confidence: 99%

Nano-biocomposite films with modified cellulose nanocrystals and synthesized silver nanoparticles

Fortunati

Rinaldi

Peltzer

et al. 2014

Carbohydrate Polymers

Self Cite

169

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“…All samples reveal similar residual chars, between 25.6 % and 28.4% related with the inorganic matter content. Dynamic thermogravimetric analysis showed that all seeds were substantially thermally stable in the region below 200 ºC, which is enough extrusion and film process temperature of the most used biodegradable materials in food packaging applications such as poly(lactic acid) PLA [10,14] , starch [42] , chitosan [43] , poly(hydroxybutirate) PHB or poly(hydroxyutyrate-cohydroxyvalerate) (PHBV) [44] .…”

Section: Thermogravimetric Analysismentioning

confidence: 98%

“…Moreover, regarding food packaging barrier properties the incorporation of cellulose nanostructures into polymer matrices improve the oxygen barrier properties [14] , while the low hygroscopicity of cellulose materials could decrease the water vapor permeability [5] . Some fruit's seeds represent a large amount of byproducts and wastes that are biodegradable and could be used for the development of new biodegradables bio-composites [15][16][17][18][19] which can be treated with organic waste after their use [20] becoming environmentally friendly.…”

Section: Introductionmentioning

confidence: 99%

Microstructure, Mechanical, and Thermogravimetric Characterization of Cellulosic By-Products Obtained from Biomass Seeds

Rayón

Bou

Rico

et al. 2014

International Journal of Food Properties

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Rayón Encinas, E.; Ferrándiz Bou, S.; Rico Beneito, MI.; López Martínez, J.; Arrieta, MP. (2015). Microstructure, mechanical, and thermogravimetric characterization of cellulosic byproducts obtained from biomass seeds. International Journal of Food Properties. 18(6): 1211-1222. doi:10.1080/10942912.2014 Disclaimer: This is a version of an unedited manuscript that has been accepted for publication. As a service to authors and researchers we are providing this version of the accepted manuscript (AM). Copyediting, typesetting, and review of the resulting proof will be undertaken on this manuscript before final publication of the Version of Record (VoR). During production and pre-press, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal relate to this version also. PLEASE SCROLL DOWN FOR ARTICLETaylor & Francis makes every effort to ensure the accuracy of all the information (the "Content") contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no representations or warranties whatsoever as to the accuracy, completeness, or suitability for any purpose of the Content. Any opinions and views expressed in this publication are the opinions and views of the authors, and are not the views of or endorsed by Taylor & Francis. The accuracy of the Content should not be relied upon and should be independently verified with primary sources of information. Taylor and Francis shall not be liable for any losses, actions, claims, proceedings, demands, costs, expenses, damages, and other liabilities whatsoever or howsoever caused arising directly or indirectly in connection with, in relation to or arising out of the use of the Content.This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. Terms & Conditions of access and use can be found at http:// www.tandfonline.com/page/terms-and-conditions A c c e p t e d M a n u s c r i p t ABSTRACTThe microstructural, thermal and nanomechanical characterization of biomass by-products coming from food industry was studied. Scanning electron microscopy showed a microstructure formed by polygonal grains. The thermal behaviour of seeds, evaluated by thermogravimetric analysis, revealed three main components (hemicellulose, cellulose and lignin). Walnut shell showed the highest thermal stability and also the highest amount of lignin. The nanomechanical aspects were evaluated by nanoindentation. Samples with higher amount of cellulose presented minor modulus values. In accordance with the thermal stability, the highest modulus and hardness were observed in walnut. These by-products could be useful as reinforcement's materials for biodegradable plastic industry.

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“…Agar films incorporated have the antimicrobial activity of the resulting nano composites, considerable rise in antimicrobial potential against Listeria monocytogenes (gram positive) and Escherichia coli O157:H7 (gram-negative) pathogens (Kanmani and Rhim, 2014). Antimicrobial properties against E. coli and Staphylococcus aureus have been reported on with lots of nano-composite systems, comprising polymer and silver nanoparticles (Fortunati et al, 2013) chitosan based packaging material containing silver nanoparticles (Sanpui et al, 2008;Sadeghnejad et al, 2014).…”

Section: Nano Compositementioning

confidence: 99%

Bio-Nanotechnology for Active Food Packaging

Sharma¹,

Dhanjal²

2016

J App Pharm Sci

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The most commonly used packaging material is associated with environmental issues as they are nondegradable in nature. The number of attempts are made for developing the eco-friendly degradable biopolymers as ideal food packaging. The biopolymers developed are not commercialized as they have poor mechanical strength and resistance properties. Thus to enhance the following faults in the reinforcing material are added which resulted in the composites formation. During various food processing operations the nanotechnology approach is employed such as encapsulation of the material in the nanoparticles, which can be delivered to the targeted site, enhancement of the flavor, integration of antibacterial agents with the nanoparticle in the food, enhancement of shelf-life for storage, and contamination sensing. Food packaging substances synthesized by nanotechnology may increase the shelf-life of the food as they provide resistive packaging, increase the level of food safety, liberate the preservatives for enhancing the life of the food and notify the consumer either the food is consumable or spoiled. Nano-supplements are integrated by the encapsulation method for efficient dietary as well as drug delivery systems. Nano-materials are not well evaluated for the health risk and environmental issues associated with it even the side-effects are unexploited. Various authorities are working prompt designing of guidelines and legislation policies for further acceptance of Nano-based materials in food packaging systems. Biologically synthesized nanoparticles will serve as a significant tool to conquer present contests that are linked with food packaging constituents.

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Combined effects of cellulose nanocrystals and silver nanoparticles on the barrier and migration properties of PLA nano-biocomposites

Cited by 205 publications

References 43 publications

Nano-biocomposite films with modified cellulose nanocrystals and synthesized silver nanoparticles

Nano-biocomposite films with modified cellulose nanocrystals and synthesized silver nanoparticles

Microstructure, Mechanical, and Thermogravimetric Characterization of Cellulosic By-Products Obtained from Biomass Seeds

Bio-Nanotechnology for Active Food Packaging

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