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Polysaccharides, Volume 5, Issue 4

December 2024 - 24 articles

Cover Story: PLA biocomposites with lignocellulosic fibres (LFs) from Posidonia oceanica waste with different degrees of cellulose purification were obtained via melt blending and compression moulding. The LFs were obtained after removing part of the non-cellulosic components using subcritical water extraction at 150 or 170 °C and after bleaching the extracted residues with hydrogen peroxide or sodium chlorite. The LF composition had a noticeable effect on the composites’ optical, mechanical, and barrier properties. All LFs reduced the water vapour barrier capacity while promoting the oxygen barrier of the films. Bleached LFs enhanced the film stiffness and reduced extensibility and resistance to break, whereas non-bleached LFs had a lower impact on the tensile parameters. The fibres obtained at 170 °C and bleached with sodium chlorite exhibited the best performance. View this paper
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Articles (24)

  • Article
  • Open Access
2,339 Views
19 Pages

Solute Energetics in Aqueous Xanthan Gum Solutions: What Can Be Learned from a Fluorescent Probe?

  • Mark P. Heitz,
  • Emmanuel M. Nsengiyumva and
  • Paschalis Alexandridis

Xanthan gum (XG) is a well-known anionic polysaccharide that finds broad application in the food and petroleum industries because of its ability to enhance solution viscosity at low concentrations and moderate temperatures. The aim of this work was t...

  • Article
  • Open Access
2 Citations
3,471 Views
20 Pages

Physicochemical, Structural, Thermal, and Rheological Properties of Mango Seed Starch from Five Cultivars

  • Ndahita De Dios-Avila,
  • Mario Alberto Morales-Ovando,
  • Paul Baruk Zamudio-Flores,
  • Juan Carlos Bustillos-Rodríguez,
  • Magali Ordóñez-García,
  • Kati Beatriz Medina-Dzul,
  • Teresa Romero-Cortes,
  • Jaime Alioscha Cuervo-Parra and
  • Juan Manuel Tirado-Gallegos

Large quantities of seeds are generated and discarded during agro-industrial mango processing. However, mango seeds still contain valuable components such as starch, which has applications in various industries. This study aimed to obtain and charact...

  • Article
  • Open Access
4 Citations
3,077 Views
15 Pages

Bacterial Cellulose Purification with Non-Conventional, Biodegradable Surfactants

  • Alireza Nikbakht,
  • Elizabeth M. van Zyl,
  • Stephen Larson,
  • Sawyer Fenlon and
  • Jeannine M. Coburn

Bacterial cellulose (BC) is a versatile biopolymer with significant potential across biomedical, food, and industrial applications. To remove bacterial contaminants, such as protein and DNA, BC pellicles undergo purification, which traditionally reli...

  • Article
  • Open Access
2 Citations
5,473 Views
15 Pages

Polyelectrolyte complexes (PECs) have gained increasing attention in recent decades due to their importance in various applications, such as water treatment and paper processing. These complexes are formed by mixtures of polycations (n+) and polyanio...

  • Article
  • Open Access
6 Citations
2,355 Views
19 Pages

Here, super porous carboxymethyl cellulose (CMC) cryogels were synthesized in 10–100% crosslinker and the presence of TA, at varying amounts of TA, e.g., 10 and 25 wt% of CMC under cryogenic conditions (−20 °C) as TA@CMCs. To control...

  • Article
  • Open Access
5 Citations
1,901 Views
16 Pages

Influence of the Purification Degree of Cellulose from Posidonia oceanica on the Properties of Cellulose-PLA Composites

  • Paula Camarena-Bononad,
  • Pedro A. V. Freitas,
  • Chelo González-Martínez,
  • Amparo Chiralt and
  • Maria Vargas

PLA biocomposites, incorporating 5% wt. of lignocellulosic fibres (LF) from Posidonia oceanica waste with different degrees of cellulose purification, were obtained by melt blending and compression moulding. The LF were obtained after removing part o...

  • Article
  • Open Access
3,017 Views
24 Pages

Grease, Oxygen, and Air Barrier Properties of Cellulose-Coated Copy Paper

  • Ronald Sabo,
  • Cody Schilling,
  • Craig Clemons,
  • Daniel Franke,
  • Neil R. Gribbins,
  • Michael Landry,
  • Kimberly Hoxie and
  • Peter Kitin

Cellulose nanomaterials have been demonstrated to be excellent barriers against grease, oxygen, and other vapors, but their implementation in packaging materials is challenging because of numerous technical and practical challenges. In this work, the...

  • Article
  • Open Access
1 Citations
1,916 Views
22 Pages

In the quest for sustainable and efficient solutions for modern electronics, flexible electronic devices have garnered global attention due to their potential to revolutionize various technological applications. The manufacturing of these devices pos...

  • Article
  • Open Access
1,488 Views
18 Pages

Development of a Dual-Stage CIM® CDI Reactor with Immobilized Glucuronan Lyases and Laccases for Sustainable Synthesis of Antioxidant Phenolized Oligoglucuronan

  • Xiaoyang Hou,
  • Pascal Dubessay,
  • Gwendoline Christophe,
  • Nicolas Bridiau,
  • Pierre-Edouard Bodet,
  • Mounir Traikia,
  • Mugilan Damadoran Raja,
  • Thierry Maugard,
  • Aleš Štrancar and
  • Fabrice Audonnet
  • + 2 authors

Immobilized enzyme reactors (IMERs) are critical tools for developing novel oligosaccharides based on the enzymatic catalysis of polysaccharides. In this paper, a novel glucuronan lyase from Peteryoungia rosettiformans was produced, purified, and the...

  • Article
  • Open Access
1 Citations
2,049 Views
12 Pages

Although diglycidyl ethers of glycols (DEs)—FDA-approved reagents for biomedical applications—were considered unsuitable for the fabrication of chitosan (CH) hydrogels and cryogels, we have recently shown that CH cross-linking with DEs is...

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Polysaccharides - ISSN 2673-4176