Zein-based nisin-loaded electrospun nanofibers as active packaging mats for control of Listeria monocytogenes on peach.

Autor: Khalil RKS; Department of Botany and Microbiology, Faculty of Science, Alexandria University, Alexandria 21511, Egypt. Electronic address: rowaida.khalil@alexu.edu.eg., ElLeithy AE; Department of Botany and Microbiology, Faculty of Science, Alexandria University, Alexandria 21511, Egypt. Electronic address: ahmed.ellithy@alexu.edu.eg., Ayoup MS; Department of Chemistry, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia; Department of Chemistry, Faculty of Science, Alexandria University, Alexandria 21511, Egypt., Abu-Saied MA; Polymeric Materials Research Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA-CITY), New Borg El-Arab City, 21934, Alexandria, Egypt., Sharaby MR; Department of Botany and Microbiology, Faculty of Science, Alexandria University, Alexandria 21511, Egypt. Electronic address: muhammed.sharaby@ejust.edu.eg.
Jazyk: angličtina
Zdroj: Food chemistry [Food Chem] 2024 Nov 30; Vol. 459, pp. 140441. Date of Electronic Publication: 2024 Jul 14.
DOI: 10.1016/j.foodchem.2024.140441
Abstrakt: Zein-based nanofibers (NFs) functionalized with nisin (NS), reinforced with montmorillonite nanoclay (nMMT) were fabricated by uniaxial electrospinning (ES) for the first time to preserve yellow peach. Spinnability/viscosity/conductivity optimizations generated porous (95.09%), bead-free, ultrathin (119 nm) NFs of low hydrophobicity (26.05 ° ). Glutaraldehyde (GTA) crosslinking fostered positive outcomes of tensile strength (1.23 MPa), elongation (5.0%), hydrophobicity (99.46 ° ), surface area (201.38 m 2 .g -1 ), pore size (2.88 nm), thermal stability (T max  = 342 °C), antioxidant/cytotoxic activities in optimized NFs that released NS sustainably according to Korsmeyer-Peppas model indicating a Fickian diffusion mechanism with R 2  = 0.9587. The novel NFs inhibited growth of Listeria monocytogenes/aerobic mesophilic populations in peach after 4 days of abusive storage, evincing their robustness in food contact applications. Simultaneously, quality parameters (moisture/texture/browning/total soluble solids/pH) and peach physical appearance were maintained for up to 8 days, endorsing the practical value of zein-based NFs as a non-thermal postharvest intervention for prolonging fruits storage life.
Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Rowaida Khalil Salah ElDin Khalil reports financial support was provided by Partnership for Research and Innovation in the Mediterranean Area (PRIMA). Rowaida Khalil Salah ElDin Khalil reports financial support was provided by Academy of Scientific Research & Technology (ASRT). If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
Externí odkaz: