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Polysaccharides
Special Issues
Recent Progress on Lignocellulosic-Based Materials
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Recent Progress on Lignocellulosic-Based Materials

A special issue of Polysaccharides (ISSN 2673-4176).

Deadline for manuscript submissions: 31 July 2025 | Viewed by 2382

Special Issue Editors

Dr. Adrian C. Puiţel

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Guest Editor
Faculty of Chemical Engineering and Environmental Protection “Cristofor Simionescu”, “Gheorghe Asachi” Technical University of Iasi, 700050 Iasi, Romania
Interests: biomass fractionation; hemicellulose extraction and characterization; pulping; papermaking; environmentally friendly materials; liquid chromatography
Special Issues, Collections and Topics in MDPI journals
Dr. Mircea Teodor Nechita

E-Mail Website
Guest Editor
Faculty of Chemical Engineering and Environmental Protection, Department of Chemical Engineering, “Gheorghe Asachi” Technical University of Iasi, 700050 Iasi, Romania
Interests: bioresource processing modeling and design; transfer phenomena and unit operations of particulate solids (including applications in biomass processing)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The concept of lignocellulosic materials refers to matter with a chemical composition that includes natural polymers such as cellulose, hemicelluloses, and lignin. Lignocellulosic materials are regarded as the most abundant category of biomass and originate in plants; they are characterized by heterogeneity, structural diversity, and chemical composition variability. This is the reason why their processing and valorization of various products may be regarded as challenging. In brief, research efforts are targeting both the finding of the particular, specific, and optimal conditions of raw material components’ separation and further value-adding all separated components. Cellulose fibers are raw materials for the production of a wide range of products: paper, bioplastics, and microfibrilated cellulose. Hemicelluloses and other carbohydrates are raw materials for sugar and fine organic chemicals and biofuels, while lignin is a candidate for the production of phenolic derivatives, adhesives, carbon nanofibers, bio-oils, biofuels, and bio-protection agents.

Today, the term lignocellulosic-based polymeric materials address both naturally occurring natural polymer-based bioresources, such as wood, straw, stalks, and other raw biomass types, as well as some of the products resulting from their processing. This Special Issue intends to cover subjects concerning the characterization of lignocellulosic materials as well as the processing and applications of the obtained products.

You may choose our Joint Special Issue in Polymers.

Dr. Adrian C. Puiţel
Dr. Mircea Teodor Nechita
Guest Editors

Manuscript Submission Information

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. Polysaccharides is an international peer-reviewed open access quarterly 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 1000 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

  • lignocellulosic biomass
  • biomaterials
  • fractionation
  • sugars
  • biofuels
  • hemicelluloses
  • lignin
  • fine chemicals

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Published Papers (3 papers)

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19 pages, 2086 KiB  
Article
Corn Stalks-Derived Hemicellulosic Polysaccharides: Extraction and Purification
by Adrian Cătălin Puițel, Cătălin Dumitrel Balan and Mircea Teodor Nechita
Polysaccharides 2025, 6(1), 2; https://doi.org/10.3390/polysaccharides6010002 - 5 Jan 2025
Viewed by 595
Abstract
Nowadays, agricultural biomass is one the most valuable sources of natural polysaccharides. In addition to primary agricultural goods, agricultural waste is abundant, diverse, and renewable and can also be utilized as raw material for the production of polysaccharides and their derivatives. The extraction [...] Read more.
Nowadays, agricultural biomass is one the most valuable sources of natural polysaccharides. In addition to primary agricultural goods, agricultural waste is abundant, diverse, and renewable and can also be utilized as raw material for the production of polysaccharides and their derivatives. The extraction and purification of agri-waste-derived polysaccharides involves multiple processes that can vary depending on the type of raw material and the specific polysaccharides targeted. This study proposes a particular pathway from corn waste to hemicellulosic polysaccharides, which involves alkaline treatment and several physicochemical separation/purification phases using precipitation and ion exchange resins (Purolite A400, Purolite A100+, Purolite C100H). The ion exchange separation stage was optimized to retain most of the acid-soluble lignin derivatives from the extraction liquors. The process parameters considered for optimization included the solid (resin) liquid (black liquor pH 4.5) ratio, contact time, and temperature. These ranged from 0.05 to 0.15 g·mL−1, 30 to 180 min, and 20 to 50 °C, respectively. The chemical composition of the separated hemicelluloses varied from 44.43 to 75.28% for xylan, 2.43 to 3.93% for glucan, 1.86 to 2.44% for galactan and 8.93 to 12.68% for arabinan. The total carbohydrate content increased from 57.65 to 96.3%. Full article
(This article belongs to the Special Issue Recent Progress on Lignocellulosic-Based Materials)
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16 pages, 5761 KiB  
Article
Influence of the Purification Degree of Cellulose from Posidonia oceanica on the Properties of Cellulose-PLA Composites
by Paula Camarena-Bononad, Pedro A. V. Freitas, Chelo González-Martínez, Amparo Chiralt and Maria Vargas
Polysaccharides 2024, 5(4), 807-822; https://doi.org/10.3390/polysaccharides5040050 - 5 Dec 2024
Viewed by 845
Abstract
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 of the non-cellulosic components by subcritical water extraction at [...] Read more.
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 of the non-cellulosic components by subcritical water extraction at 150 and 170 °C and after bleaching the extracted residues with hydrogen peroxide or sodium chlorite. The non-bleached LF provided the composites with a brown colour and opacity, while the bleached LF impacted the optical properties of composites to a lower extent, depending on their whiteness. The LF composition had a noticeable effect on the composites’ mechanical and barrier properties. All LF reduced the water vapour barrier capacity while promoting the oxygen barrier of the films. Bleached LF enhanced the film stiffness and reduced extensibility and resistance to break, whereas non-bleached LF had lower impacts on the tensile parameters. Considering the mechanical and barrier performance of the composites, the fibres obtained at 170 °C and bleached with sodium chlorite exhibited the best behaviour. Nevertheless, if transparency and colour are not limiting for the use of the films, untreated LF allowed for good preservation of the water vapour permeability of PLA films and enhanced the oxygen barrier capacity, with a similar mechanical response as the other non-bleached fractions. Full article
(This article belongs to the Special Issue Recent Progress on Lignocellulosic-Based Materials)
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24 pages, 8975 KiB  
Article
Grease, Oxygen, and Air Barrier Properties of Cellulose-Coated Copy Paper
by Ronald Sabo, Cody Schilling, Craig Clemons, Daniel Franke, Neil R. Gribbins, Michael Landry, Kimberly Hoxie and Peter Kitin
Polysaccharides 2024, 5(4), 783-806; https://doi.org/10.3390/polysaccharides5040049 - 4 Dec 2024
Viewed by 684
Abstract
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 oxygen, air, grease, and heptane barrier performance of copy [...] Read more.
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 oxygen, air, grease, and heptane barrier performance of copy papers coated with cellulose nanocrystals (CNCs), oxidized cellulose nanofibrils (TOCNs), and carboxymethyl cellulose (CMC) weas examined. The effects of different materials and processing conditions were evaluated for their impacts on the resulting barrier properties. TOCN coatings demonstrated significantly better barrier properties than CNC and CMC coatings due to the long-range networked structure of TOCN suspensions eliciting enhanced film formation at the paper surface. Neat coatings of nanocellulose did not readily result in strong oxygen barriers, but the addition of CMC and/or an additional waterborne water barrier coating was found to result in oxygen barriers suitable for packaging applications (1 cm3/m2·day transmission at low humidity with a 10 g/m2 coating). Cast films and thick coatings of CMC were good barriers to oxygen, grease, and air, and its addition to cellulose nanomaterial suspensions aided the coating process and reduced coating defects. In all cases, the incorporation of additional processing aids or coatings was necessary to achieve suitable barrier properties. However, maintaining the strong barrier properties of nanocellulose coatings after creasing remains challenging. Full article
(This article belongs to the Special Issue Recent Progress on Lignocellulosic-Based Materials)
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