Modification of Starch – From Structure, through Functionalization to Special Applications

A special issue of Chemistry (ISSN 2624-8549). This special issue belongs to the section "Chemistry of Materials".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 3647

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Department of Dietetics and Food Studies, Faculty of Science & Technology, Jan Dlugosz University in Czestochowa, Armii Krajowej 13/15, 42-200 Czestochowa, Poland
Interests: chemical and biochemical modifications of polysaccharides; starch; dietary fiber; resistant starch resistant dextrins; prebiotics
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CICECO – Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: starch-rich byproducts; starch-based materials; hydrophobization; elasticity; plasticity; active packaging; formative manufacturing; additive manufacturing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Worldwide, industries are striving to reduce the pollutions associated with raw material processing and new material production. More and more attention is paid to the use of clean, environmentally friendly technologies. There is an ongoing search for cheap, natural, and biodegradable materials. One of them is starch – biodegradable and renewable polysaccharide. Food, pulp and paper, cosmetics, pharmaceutical, biomedical, textile adhesive, and packaging industries mainly need modified starches with improved processing properties compared to natural starch. Analysis of abstract and citation databases and programs of professional scientific conferences shows that much more attention is being paid to the modification of other polysaccharides, such as cellulose, hemicellulose, chitin, and chitosan. Research on modification of starch for food and non-food purposes is very dispersed, and less well described. Therefore, there is a need for a Special Issue devoted to various methods of starch modification and the relationship between the structure of modified starches and their physicochemical, functional, processing, and environmental properties. This Special Issue will contain contributions discussing all the aspects that are broadly related to the keywords. Review articles by experts in the field are also welcome.

You may choose our Joint Special Issue in Molecules.

Prof. Dr. Janusz Kapusniak
Dr. Idalina Gonçalves
Guest Editors

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Keywords

  • Chemical modification 
  • Physical modification 
  • Enzymatic modification 
  • Starch films 
  • Starch-based biocomposites 
  • Packaging materials 
  • Porous starch 
  • Modified nano-starch 
  • Modified starch encapsulation 
  • Starch foam 
  • Starch-based aerogels

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Published Papers (1 paper)

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Research

14 pages, 1907 KiB  
Article
Study of the Performance of Particles Based on Modified Starches Containing Potassium Sorbate and Incorporated into Biodegradable Films: Physicochemical Characterization and Antimicrobial Action
by Paola Alzate, Lía Gerschenson and Silvia Flores
Chemistry 2021, 3(2), 658-671; https://doi.org/10.3390/chemistry3020046 - 27 May 2021
Cited by 2 | Viewed by 2954
Abstract
Ultrasound technique was used to produce native and acetylated cassava starch particles containing potassium sorbate (KS). In order to obtain an active packaging, films with addition of native starch particles containing KS (NKSPF) or added with acetylated starch particles containing KS (AKSPF) were [...] Read more.
Ultrasound technique was used to produce native and acetylated cassava starch particles containing potassium sorbate (KS). In order to obtain an active packaging, films with addition of native starch particles containing KS (NKSPF) or added with acetylated starch particles containing KS (AKSPF) were formulated. As control systems, films without KS (CF) or added with KS that was not retained in particles (KSF), were produced. The NKSPF and AKSPF microstructure was consistent with composite materials. Tensile test revealed that CF and KSF were ductile and extensible (stress at break (σb) 2.8–2.5 MPa and strain at break (εb) 284–206%), while NKSPF and AKSPF were more resistant films with higher Young’s Modulus (148–477 MPa) and σb (3.6–17 MPa) but lower εb (40–11%). Moreover, NKSPF and AKSPF developed lower Yellowness Index (6.6–6.5) but higher opacity (19–23%) and solubility in water (31–35%) than KSF (9, 10.8% and 9%, respectively). It was observed that KSF and NKSPF moderately reduced the Zygosaccharomyces bailii growth while AKSPF showed the highest yeast inhibition, three Log-cycles, compared to CF. Additionally, FTIR spectroscopy revealed intensified interactions between KS and modified starch. It was concluded that starch sonication and acetylation were useful modifications to produce particles carrier of KS that improved the physical and antimicrobial performance of active films. Full article
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