Biodegradable Polymers for Food Industry

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

Deadline for manuscript submissions: closed (30 August 2023) | Viewed by 1958

Special Issue Editor


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Guest Editor
Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
Interests: food material sciences; water in foods; structural transformation; glass transition; green foods processing

Special Issue Information

Dear Colleagues,

For the last 50 years, polymeric materials have been widely used for the manufacturing of foods because of their performance and ease of production. These polymers can be classified into three categories according to their production origins: extracted from biomass, synthesized from bio-derived monomers, and produced from microorganisms without any noxious effects on health. With the attractive features of the polymers such as biodegradability and bio/environmental compatibility over non-biodegradable synthetic polymers, biodegradable polymers have found widespread applications in food industries, i.e., food packaging, nutrients protection, etc.  

The primary aim of this Special Issue is the presentation of the latest advances in the practical applications of biodegradable polymers in producing new, safe, and high-quality products in traditional and modern food industries. In addition, manuscripts focused on characterization, structural–property relationships, and degradation processes of biodegradable polymers are also welcome.

Dr. Fanghui Fan
Guest Editor

Manuscript Submission Information

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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.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • polysaccharides
  • proteins
  • lipids
  • natural-sourcing extractions
  • starch
  • food packaging
  • green food processing
  • degradation process
  • structural properties
  • functional foods

Published Papers (1 paper)

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Research

16 pages, 3402 KiB  
Article
Tremella fuciform Polysaccharides: Extraction, Physicochemical, and Emulsion Properties at Different pHs
by Lili Tian, Yrjö H. Roos, Laura G. Gómez-Mascaraque, Xu Lu and Song Miao
Polymers 2023, 15(7), 1771; https://doi.org/10.3390/polym15071771 - 02 Apr 2023
Cited by 2 | Viewed by 1606
Abstract
The chemical composition, macromolecular characteristics, and structure of four types of Tremella fuciform polysaccharides (TPS) were analyzed, including one TPS that was extracted in the laboratory (L-TPS) and three commercial TPS. The effects of pH on the properties of TPS emulsions were investigated [...] Read more.
The chemical composition, macromolecular characteristics, and structure of four types of Tremella fuciform polysaccharides (TPS) were analyzed, including one TPS that was extracted in the laboratory (L-TPS) and three commercial TPS. The effects of pH on the properties of TPS emulsions were investigated by analyzing their zeta potential, particle size, apparent viscosity, and stability. The results showed that L-TPS presented a higher percentage content of protein (2.33%) than commercial TPS (0.73–0.87%), and a lower molecular mass (17.54 × 106 g/mol). Thus, L-TPS exhibited the best emulsifying activity but gave poor emulsion stability. The droplet sizes and apparent viscosity of commercial TPS-stabilized emulsions were larger or higher in acidic environments. At pH 2, the apparent viscosity was the lowest for L-TPS. Commercial TPS emulsions were most stable at pH 6, while the L-TPS-stabilized emulsion was most stable at pH 2. The obtained results revealed that the emulsifying properties of TPS varied and the effects of pH on emulsion characteristics differed, as determined from the molecular mass, macromolecular characteristics, and structure. This research is useful for expanding the application of TPS as a novel food ingredient in emulsions. Full article
(This article belongs to the Special Issue Biodegradable Polymers for Food Industry)
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