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<p>The core objective of the current study was to fabricate and characterize the probiotic (<i>Lactobacillus acidophilus</i>) loaded gelatin-pectin nanofibers mats for active packaging. Polymeric nanofiber mats were fabricated via electrospinning and characterized using Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR), X-Ray diffraction (XRD), furthermore, physiochemical properties and antioxidant activity were analyzed using DPPH and ABTS assays. To conduct statistical analysis one-way analysis of variance (ANOVA) and Duncan’s Multiple range assessment was applied. Results showed that TS and EAB were recorded as 3.21 ± 0.44&#xa0;MPa and 16.44 ± 0.43%, which shows the strong mechanical strength of nanofibers. Among SEM micrographs, findings have shown that probiotics were successfully encapsulated in filamentous fibers, FTIR findings suggest strong molecular interaction, XRD suggest that nanofiber mats remain predominantly amorphous, the ability of the nanofiber mats to inhibit the free radicals was increased with probiotic incorporation. Also, the viability under simulated gastrointestinal conditions showed that log reduction of 7.01 ± 0.20 log CFU/mL after 90 was observed among probiotic loaded films. Incorporation of probiotics, conclusively, study shows that gelatin-pectin nanofiber mats could be employed structural integral materials that offer biocompatibility and functional characteristics in application for food preservation.</p> Graphical Abstract <p></p>

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Characterization of probiotic loaded gelatin-pectin nanofiber films: structural integration, mechanical strength, antioxidant potential & viability

  • 期刊论文

  • 发表日期：

    2026年2月25日

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  • Faisal Fareed,
  • Muhammad Afzaal,
  • Farhan Saeed,
  • Ali Imran

摘要

The core objective of the current study was to fabricate and characterize the probiotic (Lactobacillus acidophilus) loaded gelatin-pectin nanofibers mats for active packaging. Polymeric nanofiber mats were fabricated via electrospinning and characterized using Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR), X-Ray diffraction (XRD), furthermore, physiochemical properties and antioxidant activity were analyzed using DPPH and ABTS assays. To conduct statistical analysis one-way analysis of variance (ANOVA) and Duncan’s Multiple range assessment was applied. Results showed that TS and EAB were recorded as 3.21 ± 0.44 MPa and 16.44 ± 0.43%, which shows the strong mechanical strength of nanofibers. Among SEM micrographs, findings have shown that probiotics were successfully encapsulated in filamentous fibers, FTIR findings suggest strong molecular interaction, XRD suggest that nanofiber mats remain predominantly amorphous, the ability of the nanofiber mats to inhibit the free radicals was increased with probiotic incorporation. Also, the viability under simulated gastrointestinal conditions showed that log reduction of 7.01 ± 0.20 log CFU/mL after 90 was observed among probiotic loaded films. Incorporation of probiotics, conclusively, study shows that gelatin-pectin nanofiber mats could be employed structural integral materials that offer biocompatibility and functional characteristics in application for food preservation.

Graphical Abstract