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Synthesis, Characterization and Applications of Natural Polymers, 2nd Edition

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Biobased and Biodegradable Polymers".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 769

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Special Issue Information

Dear Colleagues,

This Special Issue of Polymers is dedicated to the dissemination of relevant research articles that demonstrate advances in the area in this broad field. The production, characterization and use of natural polymers have increased in recent years, and they are widely used in various fields of the pharmaceutical, food, medical and cosmetic industries and in everyday life. To obtain these polymers, several modifications are carried out to obtain the desired properties, in addition to being considered from renewable sources. It is my pleasure to invite you to submit your manuscript and contribute significantly to this edition.

Prof. Dr. Vitor Augusto dos Santos Garcia
Guest Editor

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Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • natural polymers
  • applications
  • polymer synthesis
  • synthetic polymers
  • films
  • delivery system
  • oral films

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Published Papers (1 paper)

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Research

15 pages, 1871 KiB  
Article
A Gelatin-Based Film with Acerola Pulp: Production, Characterization, and Application in the Stability of Meat Products
by Vitor Augusto dos Santos Garcia, Giovana de Menezes Rodrigues, Victória Munhoz Monteiro, Rosemary Aparecida de Carvalho, Camila da Silva, Cristiana Maria Pedroso Yoshida, Silvia Maria Martelli, José Ignacio Velasco and Farayde Matta Fakhouri
Polymers 2025, 17(13), 1882; https://doi.org/10.3390/polym17131882 - 6 Jul 2025
Viewed by 444
Abstract
The objective of this work was to produce and characterize active gelatin–acerola packaging films based on gelatin incorporated with different concentrations of acerola pulp and applied to evaluate the stability of meat products in packaging. The active films were produced by casting using [...] Read more.
The objective of this work was to produce and characterize active gelatin–acerola packaging films based on gelatin incorporated with different concentrations of acerola pulp and applied to evaluate the stability of meat products in packaging. The active films were produced by casting using gelatin (5%), sorbitol (0,1%), and acerola pulp (60, 70, 80, and 90%). The characterization of the acerola pulp was carried out. Visual aspects, thickness, pH, water vapor permeability, and total phenolic compounds were characterized in the films. The commercial acerola pulp presented the characteristics within the identity and quality standards. A good film formation capacity was obtained in all formulations, presenting the color parameters tending to red coloration, characteristic of the acerola pulp. The total phenolic compounds content ranged from 2.88 ± 70.24 to 3.94 ± 96.05 mg GAE/100 g, with 90 g of acerola pulp per 100 g of filmogenic solution. This film formulation was selected to apply in a vacuum pack of beef and chicken samples, analyzing the weight loss, color parameters, pH, water holding capacity, shear strength after 9 days of refrigeration storage, and soil biodegradability. Additionally, beef and chicken (in nature) were stored under the same conditions without using the wrapping film. The beef and chicken samples showed greater water retention capacity and color maintenance over the storage period compared to the control (without film addition). This way, active gelatin–acerola films can be considered a sustainable packaging alternative to preserve meat products. Full article
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