Search results for: G.G. Buonocore

Items from 1 to 18 out of 18 results

article

Peculiarities of vanillin release from amino-functionalized mesoporous silica embedded into biodegradable composites

M. Stanzione, N. Gargiulo, D. Caputo, B. Liguori, more

European Polymer Journal > 2017 > 89 > C > 88-100

Mesoporous silica nanoparticles are among the most promising nanovectors for controlled release of active compounds. In this work we design a mesoporous silica-based delivery system in which the release of the active compound is controlled by specific pore/wall interactions and can also be triggered by an external stimulus, such as the simple addition of water into the surrounding releasing medium...

article

Peculiarities in the structure – Properties relationship of epoxy-silica hybrids with highly organic siloxane domains

F. Piscitelli, G.G. Buonocore, M. Lavorgna, L. Verdolotti, more

Polymer > 2015 > 63 > Complete > 222-229

Epoxy-silica hybrids were produced from a diglycidyl ether of bisphenol-A resin using Jeffamine 230 hardener with a two-step in situ generation of siloxane domains. The siloxane component was obtained by hydrolysis and condensation of a mixture of γ-glycidoxypropyl-trimethoxysilane and tetraethoxysilane, which was added to the epoxy resin after removal of the formed alcohols and water. The morphological...

article

MMT-supported Ag nanoparticles for chitosan nanocomposites: Structural properties and antibacterial activity

M. Lavorgna, I. Attianese, G.G. Buonocore, A. Conte, more

Carbohydrate Polymers > 2014 > 102 > Complete > 385-392

Multifunctional bionanocomposites have been prepared by loading chitosan matrix with silver-montmorillonite antimicrobial nanoparticles obtained by replacing Na ⁺ ions of natural montmorillonite with silver ions. This filler has been chosen for its twofold advantage to serve as silver supporting material and to confer new and better performance to the obtained material. It has been proved...

article

Silanization and silica enrichment of multiwalled carbon nanotubes: Synergistic effects on the thermal-mechanical properties of epoxy nanocomposites

M. Lavorgna, V. Romeo, A. Martone, M. Zarrelli, more

European Polymer Journal > 2013 > 49 > 2 > 428-438

In this paper the synergistic effects of both 3-amminopropryltriethoxy silane (APTES) functionalization and silica enrichment of carbon nanotubes on thermal and thermal-mechanical properties of epoxy based composite materials were investigated. Pristine multiwalled carbon nanotubes were oxidized, functionalized with APTES and then modified with silica nanoparticles preformed through the Stober process...

article

Calcium-alginate coating loaded with silver-montmorillonite nanoparticles to prolong the shelf-life of fresh-cut carrots

C. Costa, A. Conte, G.G. Buonocore, M. Lavorgna, more

Food Research International > 2012 > 48 > 1 > 164-169

In this work, the effects of both active coating loaded with silver-montmorillonite (Ag-MMT) nanoparticles and film barrier properties on shelf life of fresh-cut carrots are presented. In particular, sensory and microbiological quality has been monitored during the storage period. While for microbiological quality the main spoilage microorganisms (mesophilic and psychrotrophic bacteria, Enterobacteriaceae...

article

Bio-based nanocomposite coating to preserve quality of Fior di latte cheese

D. Gammariello, A. Conte, G.G. Buonocore, M.A. Del Nobile

Journal of Dairy Science > 2011 > 94 > 11 > 5298-5304

The aim of this study was to evaluate the effects of a bio-based coating containing silver-montmorillonite nanoparticles combined with modified-atmosphere packaging (MAP) on microbial and sensory quality decay of Fior di latte cheese. Different concentrations of silver nanoparticles (0.25, 0.50, and 1.00mg/mL) were dispersed in a sodium alginic acid solution (8% wt/vol) before coating the cheese....

article

Antimicrobial silver-montmorillonite nanoparticles to prolong the shelf life of fresh fruit salad

C. Costa, A. Conte, G.G. Buonocore, M.A. Del Nobile

International Journal of Food Microbiology > 2011 > 148 > 3 > 164-167

In this work, silver-montmorillonite (Ag-MMT) antimicrobial nanoparticles have been obtained by allowing silver ions from nitrate solutions to replace the Na ⁺ of natural montmorillonite and then to be reduced by a thermal treatment. Ag-MMT were used as active antimicrobial compounds to improve the shelf life of fresh fruit salad. In order to assess their influence on product shelf life, sensorial...

article

Agar hydrogel with silver nanoparticles to prolong the shelf life of Fior di Latte cheese

A.L. Incoronato, A. Conte, G.G. Buonocore, M.A. Del Nobile

Journal of Dairy Science > 2011 > 94 > 4 > 1697-1704

The objective of this work was to evaluate the effectiveness of an antimicrobial packaging system containing active nanoparticles on the quality deterioration of Fior di Latte cheese. To this aim, 3 concentrations of silver montmorillonite embedded in agar were used. The cell loads of spoilage and useful microorganisms were monitored during a refrigerated storage period. Moreover, cheese sensory quality...

article

Active packaging by extrusion processing of recyclable and biodegradable polymers

M.A. Del Nobile, A. Conte, G.G. Buonocore, A.L. Incoronato, more

Journal of Food Engineering > 2009 > 93 > 1 > 1-6

In this work a preliminary study on the suitability of environmentally friendly active films to be produced by melt extrusion process is presented. In particular, low density polyethylene (LDPE), polylactic acid (PLA) and polycaprolactone (PCL) were used as environmentally friendly polymeric matrices, with the former being recyclable and the latter two biodegradable. Lemon extract, thymol, and lysozyme...

article

Influence of spelt bran on the physical properties of WPI composite films

M. Mastromatteo, S. Chillo, G.G. Buonocore, A. Massaro, more

Journal of Food Engineering > 2009 > 92 > 4 > 467-473

In this study, the properties of whey protein isolate (WPI)-based films with different levels of glycerol and spelt bran were investigated using response surface methodology. Tests were carried out to determine to what extent the water vapor permeability (WVP) of the films can be improved by adding the bran. Moreover, the mechanical and dynamical properties, colour of the films and the rheological...

article

Effects of spelt and wheat bran on the performances of wheat gluten films

M. Mastromatteo, S. Chillo, G.G. Buonocore, A. Massaro, more

Journal of Food Engineering > 2008 > 88 > 2 > 202-212

The individual and interactive effects of the spelt and wheat bran as well as glycerol, on the properties of wheat gluten based edible films were investigated in this work using response surface methodology. Tests were run to determine water vapour permeability (WVP), mechanical and dynamical properties and colour of the films as well as the rheological properties of the film forming solutions. Results...

article

Development of immobilized lysozyme based active film

A. Conte, G.G. Buonocore, M. Sinigaglia, M.A. Del Nobile

Journal of Food Engineering > 2007 > 78 > 3 > 741-745

The aim of this work is to develop an active packaging material in which the active compound, lysozyme, is completely immobilized onto the polymeric material and acts directly from the film without being released into the packed foodstuff. Cross-linked films of polyvinyl alcohol, differing in the amount of both antimicrobial and binding agents, were prepared. In order to determine the amount of active...

article

Mono- and multilayer active films containing lysozyme as antimicrobial agent

G.G. Buonocore, A. Conte, M.R. Corbo, M. Sinigaglia, more

Innovative Food Science and Emerging Technologies > 2005 > 6 > 4 > 459-464

Active packaging materials able to release antimicrobial compounds into foodstuff can be used in order to avoid or slow down the bacterial growth during storage. In this work the use of two techniques to control the release of the chosen active compound (lysozyme) from a polymeric material into the foodstuff is proposed: a monolayer cross-linked PVOH film and a multilayer structure made of cross-linked...

article

The influence of using biodegradable packaging films on the quality decay kinetic of plum tomato (PomodorinoDatterino®)

G. Muratore, Del Nobile, G.G. Buonocore, C.M. Lanza, more

Journal of Food Engineering > 2005 > 67 > 4 > 393-399

A comparative study on the influence of water and gas (oxygen and carbon dioxide) permeability of the packaging film on the quality decay kinetics of plum tomato is presented. The study was conducted by packaging plum tomato (cultivar Iride) with three different plastic films, a commercially available polyolefinic film and two biodegradable films, and storing the packages at market conditions. During...

article

Use of entrapped microorganisms as biological oxygen scavengers in food packaging applications

C. Altieri, M. Sinigaglia, M.R. Corbo, G.G. Buonocore, more

LWT - Food Science and Technology > 2004 > 37 > 1 > 9-15

In this work a new method is proposed to produce oxygen-scavenger films using aerobic microorganisms as the ''active compound''. The manufacturing cycle of the investigated oxygen-scavenger film was optimized both to prolong the microorganisms viability during storage and to improve the efficiency of the film to remove oxygen from the package headspace. It was found that it is possible to store the...

article

Modeling the water transport properties of casein-based edible coating

G.G. Buonocore, M.A. Del Nobile, C. Di Martino, G. Gambacorta, more

Journal of Food Engineering > 2003 > 60 > 1 > 99-106

A mathematical model able to predict the water transport properties of casein-based edible coating is presented. The model consists of two parts. The first is aimed to describe the water solubilization process into the investigated film, and it was derived taking into account the presence of both ''bound water'' and ''free water''. The second is intended to describe the water diffusion process, and...

article

A general approach to describe the antimicrobial agent release from highly swellable films intended for food packaging applications

G.G. Buonocore, M.A. Del Nobile, A. Panizza, M.R. Corbo, more

Journal of Controlled Release > 2003 > 90 > 1 > 97-107

A mathematical model able to describe the release kinetics of antimicrobial agents from crosslinked polyvinylalcohol (PVOH) into water is presented. The model was developed by taking into account the diffusion of water molecules into the polymeric film, the counter-diffusion of the incorporated antimicrobial agent from the film into water, and the polymeric matrix swelling kinetic. To validate the...

article

Moisture transport properties of polyamides copolymers intended for food packaging applications

M.A. Del Nobile, G.G. Buonocore, L. Palmieri, A. Aldi, more

Journal of Food Engineering > 2002 > 53 > 3 > 287-293

In this paper the barrier properties of a series of polyamides used for food packaging applications were analyzed. In particular, permeation of water through the investigated polyamides was studied and water diffusivity and solubility were evaluated as a function of water concentration. Water vapor sorption tests were performed at 25 ^o C and at several water vapor activities on the four samples...

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Keywords

SHELF LIFE (3)
SILVER (3)
ACTIVE PACKAGING (2)
ANTIMICROBIAL AGENTS (2)
CONTROLLED RELEASE (2)
EDIBLE FILMS (2)
LYSOZYME (2)
MODELING (2)
NANOPARTICLES (2)
PACKAGING (2)
RESPONSE SURFACE METHODOLOGY (2)
SPELT BRAN (2)
ACTIVE COATING (1)
AEROBIC MICROORGANISMS (1)
ANTIBACTERIAL (1)
ANTIMICROBIAL ACTIVITY (1)
BIODEGRADABLE FILM (1)
BIODEGRADABLE FILMS (1)
BIODEGRADABLE MATERIAL (1)
BIONANOCOMPOSITE (1)
CHITOSAN (1)
COMPOSITE (1)
CONTROLLED RELEASE OF ANTIMICROBIAL AGENT (1)
DIFFUSION (1)
EDIBLE COATINGS (1)
ENVIRONMENT-FRIENDLY MATERIALS (1)
EPOXY (1)
EPOXY RESIN (1)
EXTRUSION (1)
FIOR DI LATTE (1)
FOOD PACKAGING (1)
FOOD PRESERVATION (1)
FRESH-CUT CARROTS (1)
FRESH-CUT FRUIT (1)
IMINE BOND (1)
IMMOBILIZATION (1)
MESOPOROUS SILICA (1)
MODIFIED-ATMOSPHERE PACKAGING (1)
MONO- AND MULTILAYER (1)
MONTMORILLONITE (1)
MOVING BOUNDARY (1)
MULTIWALLED CARBON NANOTUBES (1)
NANOCOMPOSITE (1)
NATURAL COMPOUNDS (1)
NYLON (1)
ORGANIC–INORGANIC HYBRID (1)
OXYGEN SCAVENGERS (1)
PLUM TOMATO (1)
RECYCLABLE MATERIAL (1)
SHELF LIFE OF FRESH CHEESE (1)
SILANIZATION (1)
SILOXANE (1)
SILVER NANOPARTICLE (1)
SORPTION (1)
SWELLING (1)
VANILLIN (1)
WATER (1)
WATER DIFFUSION (1)
WATER SOLUBILITY (1)
WATER TRANSPORT PROPERTIES (1)
WHEAT BRAN (1)
WHEAT GLUTEN (1)
WHEY PROTEIN ISOLATE (1)
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Journal

Journal of Food Engineering (7)
European Polymer Journal (2)
Journal of Dairy Science (2)
Carbohydrate Polymers (1)
Food Research International (1)
Innovative Food Science and Emerging Technologies (1)
International Journal of Food Microbiology (1)
Journal of Controlled Release (1)
LWT - Food Science and Technology (1)
Polymer (1)
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Search results for: G.G. Buonocore

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