Article
Biochemistry & Molecular Biology
Zahra Azzouz, Azzeddine Bettache, Nawel Boucherba, Alicia Prieto, Maria Jesus Martinez, Said Benallaoua, Laura Isabel de Eugenio
Summary: Plant biomass is a major source of renewable carbon, with hemicellulose being the second most abundant polysaccharide on Earth after cellulose. This study focused on the production of hemicellulases by a new strain of Aspergillus niger, resulting in significantly increased enzyme yield and high stability under various conditions, making it suitable for wheat straw xylan hydrolysis and applications in food technology.
Article
Energy & Fuels
Mostafa Nikkhah Dafchahi, Bishnu Acharya
Summary: The study aimed to investigate the effect of hydrothermal severity on the chemical composition, extraction yield, and purity of hemicellulose. Wheat straw was subjected to hydrothermal process and the results showed that increasing severity factor resulted in higher xylose and lignin content in hemicellulose. It was found that using a hydrothermal process with severity factor of 2.34-3.18 is an efficient method to isolate high purity hemicellulose (91-96%).
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Materials Science, Paper & Wood
Lian Li, Zhouyang Xiang
Summary: The study investigated the crystallization properties of acetylated xylans, revealing a significant impact of acetylation on the crystalline characteristics of xylans. Ethanol-precipitated acetylated xylans exhibited xylan diacetate crystal peaks at DS=2, while water-precipitated acetylated xylans showed the appearance of xylan diacetate crystal peaks at DS=1.96, indicating an abrupt formation of xylan diacetate crystal with changes in DS.
Article
Biochemistry & Molecular Biology
Ida Szmigiel, Dorota Kwiatkowska, Marcin Lukaszewicz, Anna Krasowska
Summary: This study found that using xylan and its derivatives from plant hemicellulose as substrates can promote efficient biosurfactant production by Bacillus subtilis, providing a new approach for the reutilization of agricultural residues.
Article
Chemistry, Multidisciplinary
Shanyong Wang, Zhouyang Xiang
Summary: This study focuses on the production of xylan hydrate nanocrystals (XNCs) and their application in forming Pickering emulsions. XNCs with uniform size were successfully produced by mild ultrasonic treatment, showing great potential in industrial emulsification with emulsifying properties comparable to synthetic emulsifiers and better than some other common biopolymer nanocrystals.
Article
Geochemistry & Geophysics
Leszek Marynowski, Magdalena Goryl, Malgorzata Lempart-Drozd, Michal Bucha, Marcin Majewski, Marcin Stepien, Robert Lorec, Jochen Brocks, Bernd R. T. Simoneit
Summary: This study reveals significant differences in the hemicellulose composition between angiosperm and gymnosperm fossil wood, similar to extant hardwood and softwood. Fourier-transform infrared (FT-IR) spectroscopy and methanolysis gas chromatography-mass spectrometry (GC-MS) were used to analyze the hemicellulose composition of xylites and confirmed the excellent preservation and high hemicellulose contents of fossil wood deposited under marine conditions. The composition of angiosperm and gymnosperm wood differed in terms of the main saccharide building blocks, with glucose and xylose dominant in angiosperms and mannose, galactose, and glucose dominant in gymnosperms. Additionally, the presence of preserved pectin in angiosperm wood, identified through nuclear magnetic resonance (NMR) spectroscopy, suggests the perfect preservation of fossil wood in marine deposits.
Article
Environmental Sciences
Berenice Ordonez-Arevalo, Esperanza Huerta-Lwanga, Maria de los Angeles Calixto-Romo, Michael Frederick Dunn, Karina Guillen-Navarro
Summary: Tropical agriculture generates lignocellulosic residues which can be used as a natural source for value-added products, but the complexity of lignocellulose poses challenges for industrial processing, requiring new techniques. Earthworms can rapidly decompose a wide variety of lignocellulosic substrates, possibly due to enzymes and symbiotic microorganisms in their gut. The isolated xylanolytic bacteria in the earthworm gut are active participants in xylanolytic degradation, with different capacities and preferences for environmental conditions.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Review
Agricultural Engineering
Cesar D. Pinales-Marquez, Rosa M. Rodriguez-Jasso, Rafael G. Araujo, Araceli Loredo-Trevino, Debora Nabarlatz, Beatriz Gullon, Hector A. Ruiz
Summary: Biorefineries are operational processing strategies that use renewable sources to produce high added value compounds, such as xylooligosaccharides (XOs), which can be applied in various fields like food, energy, and materials to promote the sustainability of a circular bioeconomy. This review provides the latest advances in biomass processing and the industrial scale production and commercial potential of XOs in biotechnological applications.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Agricultural Engineering
E. Gokce Bahcegul, Erinc Bahcegul, Necati Ozkan
Summary: Using lignocellulosic biomass for polymeric material applications is an attractive option due to its abundance, biodegradability, and renewability. This study developed a novel method for 3D printing the alkaline soluble portion of corn cobs without any purification or modification. The printing parameters were optimized, and the models were fixed using ethanol.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Review
Agriculture, Multidisciplinary
Lijuan Cao, Rui Zhang, Junpei Zhou, Zunxi Huang
Summary: This review highlights the composition of xylan in plant and seaweed cell walls, as well as the applications of salt-tolerant xylanases in high-salt environments and industries, emphasizing their commercial and environmental benefits.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2021)
Article
Agronomy
Yinhai Xu, Yuting Yang, Wenkai Yu, Liezhao Liu, Qiong Hu, Wenliang Wei, Jia Liu
Summary: This study determined the hemicellulose content in rapeseed and revealed associated sites and candidate genes through genotyping and genome-wide association study. The key loci and candidate genes identified provide a theoretical basis for developing rapeseed varieties with high hemicellulose content. The results are also helpful in producing rapeseed cultivars with high lodging-resistance and highlighting the value of rapeseed as a resource for the bioenergy industry.
Article
Food Science & Technology
Maria Herminia Ferrari Felisberto, Antonio Ludovico Beraldo, Daniel Tourinho Sentone, Rafael R. Klosterhoff, Maria Teresa Pedrosa Silva Clerici, Lucimara Mach Cortes Cordeiro
Summary: Bamboo is a grass species that is economically valuable as a source of dietary fiber, with the potential for commercial extraction of hemicellulosic polysaccharides for use in food products, biomaterials, and biofuels. The fibrous fractions of young bamboo culm from different species showed high levels of total dietary fiber and contained mainly xylose and arabinose, indicating their suitability for a variety of applications in different industries.
FOOD RESEARCH INTERNATIONAL
(2021)
Article
Materials Science, Paper & Wood
Gengmei Liu, Guoheng Ma, Liulian Huang, Lihui Chen, Qingxian Miao
Summary: In this study, a cationic xylan-based aerogel was fabricated for the adsorption of anionic pectin in papermaking white water. The aerogel exhibited high mechanical strength and high adsorption capacity for pectin. The results suggest that this cationic xylan-based aerogel has potential applications in the development of value-added materials and the purification of papermaking white water.
Article
Chemistry, Applied
Bin Hu, Wen -Ming Zhang, Xue-Wen Guo, Ji Liu, Xiao Yang, Qiang Lu
Summary: This study explored the pyrolysis behaviors and mechanisms of different monosaccharides, including arabinose, galactose, galacturonic acid, and glucuronic acid. The roles of structural differences in these monosaccharides were analyzed, and it was found that glucuronic acid undergoes a special C-C bond breaking reaction during pyrolysis. The findings provide a deep understanding of the pyrolysis chemistry of hemicellulose and the role of different branches.
FUEL PROCESSING TECHNOLOGY
(2024)
Article
Materials Science, Paper & Wood
Min Luo, Shenlong Tian, Xingyu Lan, Shiyu Fu
Summary: This study investigated the release or degradation behavior of glycosylated side-chain of hemicellulose during alkaline cooking. The results showed that the harsher cooking conditions and extraction temperature significantly influenced the composition and structure of hemicellulose, leading to more glycosyl side chains removal.
Article
Materials Science, Paper & Wood
Niklas Wahlstrom, Ulrica Edlund, Henrik Pavia, Gunilla Toth, Aleksander Jaworski, Andrew J. Pell, Ferdinand X. Choong, Hamid Shirani, K. Peter R. Nilsson, Agneta Richter-Dahlfors
Article
Chemistry, Applied
Niklas Wahlstrom, Filip Nylander, Eric Malmhall-Bah, Karin Sjovold, Ulrica Edlund, Gunnar Westman, Eva Albers
CARBOHYDRATE POLYMERS
(2020)
Article
Biotechnology & Applied Microbiology
Joakim Olsson, Gunilla B. Toth, Annelous Oerbekke, Suzana Cvijetinovic, Niklas Wahlstrom, Hanna Harrysson, Sophie Steinhagen, Alexandra Kinnby, Joel White, Ulrica Edlund, Ingrid Undeland, Henrik Pavia, Eva Albers
JOURNAL OF APPLIED PHYCOLOGY
(2020)
Article
Chemistry, Multidisciplinary
Claudia S. V. G. Esteves, Elisabet Brannvall, Soren Ostlund, Olena Sevastyanova
Article
Materials Science, Paper & Wood
Elisabet Brannvall, Karin Walter
NORDIC PULP & PAPER RESEARCH JOURNAL
(2020)
Article
Materials Science, Paper & Wood
Elisabet Brannvall, Jerk Ronnols
Summary: Studies have shown significant differences in different liquor fractions in kraft pulping, such as free liquor, lumen liquor, and fiber wall liquor, in terms of lignin and ion concentrations. The mass transfer rate of dissolved lignin is likely restricted by the tortuosity of the chip.
Article
Materials Science, Paper & Wood
Claudia Esteves, Olena Sevastyanova, Soren Ostlund, Elisabet Brannvall
Summary: Charged groups in pulp enhance paper tensile strength, with oxygen delignification introducing charged groups. Fiber rigidity during refining, influenced by factors like lignin content and fiber charge, affects tensile strength development. Refining also impacts fiber curl, with pulps with higher fiber charge and WRV showing greater increase in tensile strength.
Article
Materials Science, Paper & Wood
Elisabet Brannvall, P. Tomas Larsson, Jasna S. Stevanic
Summary: The study examined the effects of initial stages of spruce pulping on fiber wall nanostructure, particularly focusing on the impact of removing hemicellulose on cellulose fibril aggregation. It was found that the removal of hemicellulose significantly affects the supramolecular structure of the cellulose fiber wall, leading to increased fibril aggregation.
Article
Materials Science, Paper & Wood
Claudia Esteves, Olena Sevastyanova, Soren Ostlund, Elisabet Brannvall
Summary: The study compared the fiber properties after oxygen delignification and kraft pulping, evaluating their effects on the fibers over a range of kappa numbers. The fiber network structure was characterized using various methods, showing similarities in supramolecular structure but differences in fiber deformations. The results indicated that oxygen delignification led to more fiber deformations and changes in fiber form compared to kraft pulping.
Article
Materials Science, Paper & Wood
Elisabet Brannvall, Christian Aulin
Summary: The production of cellulose nanofibrils requires high energy demand and cost, making it important to understand the effects of using more economical starting materials on the fibrillation process and properties.
Article
Chemistry, Multidisciplinary
Andreas Bengtsson, Jenny Bengtsson, Kerstin Jedvert, Markus Kakkonen, Olli Tanhuanpaa, Elisabet Brannvall, Maria Sedin
Summary: This study investigates the continuous conversion of lignin-cellulose precursor fibers (PFs) for the production of carbon fibers (CFs) using renewable raw materials. The results suggest that continuous conversion of PFs under industrial conditions is feasible and can produce CFs with certain mechanical properties. The performance of CFs can be further improved by optimizing the fiber tension, residence time, and temperature distribution.
Article
Chemistry, Applied
Joao P. Trigo, Kristoffer Stedt, Alina E. M. Schmidt, Barbro Kollander, Ulrica Edlund, Goran Nylund, Henrik Pavia, Mehdi Abdollahi, Ingrid Undeland
Summary: This study assessed the impact of blanching and soaking on the protein extraction from seaweed. The results showed that blanching at 45 degrees Celsius effectively reduced the iodine content in the protein extract without compromising the overall protein yield.
Article
Chemistry, Multidisciplinary
Tiffany Abitbol, Mikaela Kubat, Elisabet Bra''nnvall, Nikolay Kotov, C. Magnus Johnson, Rustem Nizamov, Mikael Nyberg, Kati Miettunen, Niklas Nordgren, Jasna S. Stevanic, Maria Pita Guerreiro
Summary: This study investigated the effects of lignin content and sulfuric acid concentration on the properties of crystalline lignocellulose isolates and their films. It was found that hydrolysis at 58 wt% sulfuric acid resulted in higher yield of cellulose nanocrystals (CNCs) and microcrystalline cellulose, while hydrolysis at 64 wt% gave lower yield of CNCs. The study also discovered the formation of lignin nanoparticles during hydrolysis of unbleached pulp. The results provide insights for the development of application-tailored CNC grades with improved resource efficiency.
Article
Chemistry, Multidisciplinary
Nikola Krivankova, Kerem Kaya, Wouter van der Wijngaart, Ulrica Edlund
Summary: Stimuli-responsive materials with reversible supramolecular networks controlled by a temperature change have attracted attention in various fields. In this study, the researchers investigated the polymerization of N-acryloyl glycinamide monomer using single-electron transfer reversible-deactivation radical polymerization, and studied its effect on the cloud point of the resulting polymers. They achieved a high conversion rate within a short period of time using a copper wire catalyst in water media. The synthesized PNAGA material exhibited a sharp phase transition, eliminating the need for inert conditions and deoxygenation.
Article
Materials Science, Multidisciplinary
Dimitrios Georgouvelas, Blanca Jalvo, Luis Valencia, Wassilios Papawassiliou, Andrew J. Pell, Ulrica Edlund, Aji P. Mathew
ACS APPLIED POLYMER MATERIALS
(2020)
Article
Agricultural Engineering
Jingmo Zhou, Shubin Wu, Ying Liu
Summary: Expenditure isolation of lignin and the understanding of its structural variations during different isolation processes are crucial for the high-value utilization of lignin. This study proposed a green deep eutectic solvent (DES) consisting of choline chloride, ethylene glycol, and 4-chlorobenzene sulfonic acid for rapid lignin separation from poplar. The structural variations of DES lignin and its relationship with alkali pre-extraction of hemicellulose were investigated. The results showed that alkali pretreatment enhanced the DES separation of lignin and promoted the cleavage of specific linkages, resulting in reduced molecular weight and thermal stability of isolated DES lignin. Moreover, DES lignin obtained from integrated utilization displayed higher purity and S/G ratio compared to lignin obtained from direct DES treatment.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Yuping Li, Ziyan Xie, Yun Huang, Jiangyi Zeng, Chao Yang, Ling Yuan, Ying Wang, Yongqing Li
Summary: In this study, the characteristic flavonoids (CFs) of three licorice species were identified through integrated metabolic and transcriptomic analysis. The key regulators of CF biosynthesis were also identified. These findings provide valuable information for understanding the biosynthesis of CFs and future breeding of Glycyrrhiza varieties.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Xianjie Pan, Zhaoyi Luo, Fanqi Liu, Quanqian Yi, Yanning Zeng
Summary: This study presents a novel strategy for fabricating fully bio-based epoxy vitrimers using peach gum and itaconic acid, which exhibit superior mechanical properties and thermostability. The materials were characterized and the self-healing and recycling capabilities were evaluated. The results demonstrate the potential of using these materials for sustainable industrial applications.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Mohsen Sabzi-Nojadeh, Mohammad Pouresmaeil, Mina Amani, Mehdi Younessi-Hamzekhanlu, Filippo Maggi
Summary: This study shows that inoculating Summer savory plants with endophytic fungus Trichoderma harzianum can improve plant growth and increase salt tolerance. The fungus enhances growth, restores chlorophyll and antioxidant levels, reduces harmful substances, and increases proline and soluble sugar levels, thereby increasing crop productivity in saline conditions.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Yu Liu, Lei Li, Aichen Zhao, Xiuming Song, Lulu Wei, Mengdi Fang, Chuchu Zheng, Xiaodong Zhu
Summary: This study investigates the impact of peppermint essential oil microcapsules on the unpleasant odor emissions from wax oil coated wood products. The results show that microcapsules can improve the time and stability of odor release.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Mesut Budak, Mirac Kilic, Hikmet Guenal, Ismail Velik, Mesut Sirri
Summary: This study assessed land suitability for rapeseed production using topography, climate, and soil data by analytical hierarchy process (AHP) and the Mamdani Fuzzy Inference System (MFIS). The study area covered land in the Diyarbakir province of southeastern Turkiye. The results indicated the proportions of different land suitability classes and showed the compatibility of AHP and MFIS methods in assessing suitability.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Rui Tian, Yue Liu, Chao Wang, Weikun Jiang, Srinivas Janaswamy, Guihua Yang, Xingxiang Ji, Gaojin Lyu
Summary: In this study, hollow and solid lignin nanoparticles were synthesized through self-assembly and their application in PVA nanocomposite films was investigated. The results showed that the presence of hollow lignin nanoparticles in the films resulted in a room-like network structure, while the solid lignin nanoparticles induced different structural changes. The inclusion of LNPs improved the mechanical properties of the films, and both types of LNPs exhibited good hydrophobicity.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Marcos Vinicius Silva de Andrade, Simone Ribeiro Lucho, Renato Delmondez de Castro, Paulo Roberto Ribeiro
Summary: Stevia rebaudiana Bertoni, commonly known as stevia, is a widely cultivated shrub with highly sweetening metabolites. It has gained significant interest in the food and beverage industries due to its extremely sweet taste and various health benefits. Researchers are currently focused on studying biotechnological strategies to enhance the biosynthesis of stevia plant metabolites for improved cultivation and production.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Eleonora Cintura, Paulina Faria, Luisa Molari, Luca Barbaresi, Dario D'Orazio, Lina Nunes
Summary: This study investigated the properties of Arundo donax as a building material and found that it has strong adaptability, high hygroscopicity, and unique sound absorption behavior. The mechanical tests also demonstrated the applicability of the Arundo donax-based composite. This opens up new possibilities for the further application of Arundo donax-based materials.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Stiina Kotiranta, Juha-Matti Pihlava, Titta Kotilainen, Pauliina Palonen
Summary: The effect of light spectra, particularly far-red and short wavelength radiation, on the growth and secondary metabolites of cannabis is significant. Altering the R:FR ratio can increase the concentration and yield of secondary metabolites, while short wavelength radiation does not significantly affect plant morphology and secondary metabolite concentrations.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Xuze Liu, Fangmin Liang, Jinyuan Cheng, Xuelian Zhou, Jia Wang, Guigan Fang, Kuizhong Shen, Xianzhi Meng, Chen Huang, Arthur J. Ragauskas
Summary: A novel Na2S-facilitated DES pretreatment method was proposed to fractionate moso bamboo, which achieved high lignin removal and preserved most cellulose and hemicellulose with excellent enzymatic digestibility.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Zechun Ren, Xinyuan Zhou, Kejiao Ding, Tong Ji, Hao Sun, Xiang Chi, Yunzhao Wei, Min Xu
Summary: This study prepared a thermal/magnetic/light-triggered multi-stimuli responsive shape memory polymer composite with excellent properties by adding magnetic nanoparticles into a polyurethane composite. The composite showed high shape recovery rate, fast response behavior, and suitability for 3D printing. Controllable external stimuli allowed for dynamic, remote, and precise control of 4D transformations. This work is significant for the design of smart materials and devices.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Yurany Camacho Ardila, Jaiver Efren Jaimes Figueroa, Maria Regina Wolf Maciel
Summary: The higher heating value (HHV) and elemental composition are important properties of biomass, and their prediction using proximate and ultimate analysis is accurate.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Xiaohan Chen, Xianke Wang, Lili Shang, Xinxin Ma, Changhua Fang, Benhua Fei, Huanrong Liu, Shuqin Zhang
Summary: This study focuses on the comprehensive characterization of the three-dimensional (3D) structure of bamboo parenchyma and the evaluation of its tensile and compressive properties, as well as the analysis of its failure mechanisms. The study found that the measured tensile strength and elastic modulus of the parenchyma tissue are 48.81 MPa and 706.48 MPa, respectively. Compression failure modes in parenchyma tissue encompass compression bending and cell fracture, shear failure of the middle lamella, and detachment and debonding of the cell wall.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
Article
Agricultural Engineering
Tianfeng Liu, Yuxin Liu, Yunlin Fu, Mengji Qiao, Penglian Wei, Zhigao Liu, Yingjian Li
Summary: This study explored the formation mechanism of agarwood induced by fungus and its potential application in high-quality and high-yielding agarwood production. The results showed that the transition layer played a critical role in the continuous accumulation of agarwood, and the parenchyma cells of the xylem rays and interxylary phloem were the main action site of fungus. The accumulation and distribution of chemical composition in different layers were also investigated. The study identified the drivers of specific compounds and provided a theoretical foundation for future agarwood production.
INDUSTRIAL CROPS AND PRODUCTS
(2024)
