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Peter A, Mihaly Cozmuta L, Nicula C, Mihaly Cozmuta A, Talasman CM, Drazic G, Peñas A, Calahorro AJ, Sagratini G, Silvi S. Chemical and organoleptic changes of curd cheese stored in new and reused active packaging systems made of Ag-graphene-TiO 2-PLA. Food Chem 2021; 363:130341. [PMID: 34144413 DOI: 10.1016/j.foodchem.2021.130341] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 05/06/2021] [Accepted: 06/05/2021] [Indexed: 11/16/2022]
Abstract
The study reports obtaining, characterization and evaluation of the preservation efficacy of nano-Ag-graphene-TiO2-polylactic acid (PLA) film during the storage of the curd cheese. The reusability of the active package was also evaluated. The mechanical resistance of the film was improved by 30% following the composite addition. Water vapour permeability decreased by 11-27% when the composite was incorporated into PLA in a mass percentage ranged between 0.5 and 3%. The highest fat permeability was obtained for PLA3% at 4 °C. The oxygen permeability of PLA3% is 24.6% lower than that of neat-PLA. PLA0.5% and PLA3% presented the highest antibacterial activity. PLA3% achieved the lowest solubility in food simulants at 4 °C compared to PLA and reference. The best active packages for curd storage were PLA0.5% and PLA3%. They showed also the lowest depreciation from the first to the second use. Their active role is kept 100% and 85% respectively, during the second use.
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Affiliation(s)
- Anca Peter
- Technical University of Cluj Napoca, Department of Chemistry, Victor Babes, 76 430083 Baia Mare, Romania.
| | - Leonard Mihaly Cozmuta
- Technical University of Cluj Napoca, Department of Chemistry, Victor Babes, 76 430083 Baia Mare, Romania
| | - Camelia Nicula
- Technical University of Cluj Napoca, Department of Chemistry, Victor Babes, 76 430083 Baia Mare, Romania
| | - Anca Mihaly Cozmuta
- Technical University of Cluj Napoca, Department of Chemistry, Victor Babes, 76 430083 Baia Mare, Romania
| | | | - Goran Drazic
- National Institute of Chemistry, Hajdrihova 19 POBox 660, SI-1001 Ljubljana, Slovenia
| | - Antonio Peñas
- Andaltec Pol. Ind. Cañada de la Fuente, Calle Vílches s/n, 23600 Martos-Jaén, Spain.
| | | | - Gianni Sagratini
- University of Camerino, Scuola di Scienze del Farmaco e dei Prodotti della Salute, Via Madonna delle Carceri 9, 62032 Camerino, MC, Italy.
| | - Stefania Silvi
- University of Camerino, Scuola di Bioscienze e Medicina Veterinaria, Via Gentile III da Varano, 62032 Camerino, MC, Italy.
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