Giello, Marina and Volpe, Stefania and Sequino, Giuseppina and De Filippis, Francesca and Villani, Francesco and Torrieri, Elena (2023) Design of bioactive biopolymer coating based on Latilactobacillus curvatus 54M16 producer of bacteriocins to preserve the safety of minimally processed fennel. [Pubblicazione in rivista scientifica]
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| Tipologia del documento: | Pubblicazione in rivista scientifica |
|---|---|
| Lingua: | English |
| Titolo: | Design of bioactive biopolymer coating based on Latilactobacillus curvatus 54M16 producer of bacteriocins to preserve the safety of minimally processed fennel |
| Autori: | Autore Email Giello, Marina marina.giello@unina.it Volpe, Stefania stefania.volpe2@unina.it Sequino, Giuseppina [non definito] De Filippis, Francesca francesca.defilippis@unina.it Villani, Francesco villani@unina.it Torrieri, Elena elena.torrieri@unina.it |
| Autore/i: | Marina Giello, Stefania Volpe, Giuseppina Sequino, Francesca De Filippis, Francesco Villani, Elena Torrieri |
| Data: | 1 Settembre 2023 |
| Istituzione: | Università degli studi di Napoli Federico II |
| Dipartimento: | Dipartimento di Agraria |
| Sezione di dipartimento: | Scienze e Tecnologie Alimentari |
| Titolo del periodico: | Food Packaging and Shelf life |
| Editore: | Elsevier |
| Data: | 1 Settembre 2023 |
| Volume: | 38 |
| Numero: | 101111 |
| Parole chiave: | Antimicrobial film; Bacteriocin-producing cell viability; Physical properties; Minimally processed vegetables; Vegetable microbiota |
| Settori scientifico-disciplinari del MIUR: | Area 07 - Scienze agrarie e veterinarie > AGR/15 - Scienze e tecnologie alimentari |
| Diritti di accesso: | Accesso aperto |
| Depositato il: | 27 Set 2023 10:16 |
| Ultima modifica: | 27 Set 2023 10:16 |
| URI: | http://www.fedoa.unina.it/id/eprint/14865 |
| DOI: | https://doi.org/10.1016/j.fpsl.2023.101111 |
Abstract
In this study Latilactobacillus curvatus 54M16 (LAB) producing bacteriocins has been incorporated into a sodium caseinate (SC)/guar gum (GG)/beeswax (BW) blend to develop a bioactive film/coating. Moreover, the coating capacity of preserving the safety and quality of minimally processed fennel has been investigated. Results showed significant antimicrobial activity of the bioactive film against L. innocua C6 during 28 days of storage at 4 ◦C, 10 ◦C, 20 ◦C and 30 ◦C. The presence of LAB did not affect the moisture content, thickness, color, and solubility of the SC/GG/BW films, whereas caused a reduction of the film’s stiffness and water vapor permeability. Counts of L. innocua on fennels processed with the active coating showed a significant reduction of about 2 log cycles at the end of storage with respect to the control samples for which L. innocua ranged from 3.42 to 4.13 log CFU/cm2 . Moreover, microbial diversity dramatically decreased in samples coated with antimicrobial film, that were dominated by Lactobacillus sp. In conclusion, the developed bioactive coating can be used as an antimicrobial coating to improve minimally processed fennel safety
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