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Development of antioxidant active packaging films coated with Galla Chinensis extract in a Layer-by-Layer assembly

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JOURNA

INTERNATIONAL SOCIETY

OF ANTIOXIDANTS IN

NUTRITION & HEALTH

POLYPHENOLS 2016

l O t h Worid C o n g r e s s on

Polyphenois AppMcations

Porto, Portugal

Journal of ISANH

- Open Access Journal

(2)

DEVELOPMENT OF ANTIOXIDANT ACTIVE PACKAGING FILMS COATED WITH GALLA CHINENSIS

EXTRACT IN ALAYER-BY-LAYER ASSEMBLY (

7FPPA. Cristina: MALUCELLI. Giulio; BARBOSA PEREIRA, Letricia (2); ZEPPA, Giuseppe (2)

1•Department of Applied Science and Technology (DISAT). Politecnico di Tonno, italy

2: Department ofAgriculture, Forest and Food Soìences (DISAFA), University ofTurin, Gmgliasco (TO), Italy

7pppacristina@Qinail.com

Oxidation reactions occurring on food surface are one of the main causes of deterioration offresh and processed

n , • icnnpof the mostimportant tool toprotectfoodstufffromtheseoxidalveprocesses.

food products. Packaging ,s on f«

^

^

This work aims at deve oping in

Experiments were performed using

layerstructure made of c iosan an concentrations (1, 3and 5%).

three different polymenc fìte wh,c

Oxygen transmission ra ( h films. The

m-of active films were evaluated,

i„,„actions occurred between chitosan and the tannin extract.

ATR spectra of the active films suggest t asom

^ 54 GAE/dm 2of film) shov^ed aradicai

The newfflms added of tannin extract (TPC

Lf.m,

scavenging activity with values ranged between .

^

^

developing active packaging

n.

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polyphenolsworldcongress 2016-Copyright ISANH

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