The influence of lignin content and structure on hemicellulose alkaline extraction for non-wood and hardwood lignocellulosic biomass

Geng, Wenhui; Narron, Robert; Jiang, Xiao; Pawlak, Joel J.; Chang, Hou‐min; Park, Sunkyu; Jameel, Hasan; Venditti, Richard A.

doi:10.1007/s10570-019-02261-y

Cited by 74 publications

(31 citation statements)

References 36 publications

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“…The most important natural antioxidants are tocopherols, flavonoids, and phenolic acids. Among the phenolic hydroxyl groups, the phenolic hydroxyl group is the most easily oxidized, exhibiting the capacity to capture free radicals such as ROS and active nitrogen species ( Geng et al, 2016 ; Zheng et al, 2021 ). This functionality enables polyphenols to scavenge free radicals and quench ROS, thus providing strong antioxidant capacity ( Fraga, 2007 ; Dugasani et al, 2010 ; Losada and Dí az, 2017 ).…”

Section: Bioactivity Of Polyphenolsmentioning

confidence: 99%

Insight in the Recent Application of Polyphenols From Biomass

Yan

Chen

et al. 2021

Front. Bioeng. Biotechnol.

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Biomass polyphenols are bio-active macromolecules with distinct chemical structures in a variety of biomass. In recent years, the study of biomass polyphenols and their application in food and medicine fields has become a research hotspot, which predominantly focuses on the preparation, purification, structural identifications, and measurements of biological activities. Many studies describe methodologies for extraction and application of polyphenols, but comprehensive work to review its physiological activities like drugs and health products are lacking. This paper comprehensively unlocks the bioactivities of antioxidant, antibacterial, antitumor, anticancer, neuroprotection, control of blood sugar, regulation of blood fat, and promotion of gastrointestinal health functions of polyphenols from different biomass sources. This review will serve as an illuminating resource for the global scientific community, especially for those who are actively working to promote the advances of the polyphenols research field.

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Section: Bioactivity Of Polyphenolsmentioning

confidence: 99%

Insight in the Recent Application of Polyphenols From Biomass

Yan

Chen

et al. 2021

Front. Bioeng. Biotechnol.

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“…For softwood, however, delignification is required to achieve efficient extraction of hemicellulose . Only 3.4% of the hemicellulose in pine could be extracted using a 10% sodium hydroxide solution (50 °C), much lower than for switchgrass (55%) and poplar (50%) under the same conditions …”

Section: Introductionmentioning

confidence: 92%

“…17 Only 3.4% of the hemicellulose in pine could be extracted using a 10% sodium hydroxide solution (50 °C), much lower than for switchgrass (55%) and poplar (50%) under the same conditions. 13,18 Co-location of a hemicellulose extraction process with a pulp mill (or a bioethanol mill, not analyzed in this study) may have advantages in lower capital investment and lower operating costs. A pre-alkaline extraction process can be applied before a soda pulping or kraft pulping process.…”

Section: Introductionmentioning

confidence: 99%

Techno‐economic analysis of hemicellulose extraction from different types of lignocellulosic feedstocks and strategies for cost optimization

Geng

Venditti

Pawlak

et al. 2019

Biofuels Bioprod Bioref

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Hemicellulose is a polymer found abundantly in lignocellulosic feedstocks, with many potential market applications. However, there has yet to be a large‐scale commercial process to isolate hemicellulose from lignocellulosic biomass. A techno‐economic assessment for hemicellulose extraction from sugarcane bagasse, switchgrass, and poplar was made. Two isolation processes after alkaline extraction were considered: (1) producing total hemicellulose and (2) producing hemicellulose A (water‐insoluble fraction) only. In a greenfield scenario, a byproduct of the process is sugar, whereas in a co‐location scenario the biomass after hemicellulose extraction is returned to the pulp mill for its fiber value. Operating costs, capital investment, minimum hemicellulose selling price (MHSP), the effect of input material and product prices along with several other process parameters on the MHSP were determined for each scenario. Co‐location scenarios had a dramatically lower capital cost and MHSP relative to greenfield scenarios. This was due to co‐location scenarios utilizing existing biomass processing and utilities equipment and not requiring a sugar‐production process. Among the three biomasses, hemicellulose extraction from sugarcane bagasse had the lowest MHSP for all scenarios, mainly due to a higher hemicellulose extraction yield. Extraction of hemicellulose A from sugarcane bagasse in a co‐location scenario had a low capital cost of 56 million USD and had a reasonable MHSP of 274 USD/t (metric ton). This research indicates that there is reasonable economic potential for hemicellulose extraction from lignocellulosic biomass for applications to replace starch or as a starting material for the production of xylo‐oligomeric prebiotics. © 2019 Society of Chemical Industry and John Wiley & Sons, Ltd

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“…Subjecting the plant matrix to treatment with alkaline solutions at high temperatures causes a disturbance in the cell wall structure due to cleavage of the ester and ether bonds between lignin and hemicellulose, resulting in its solubilization [29]. This explains the significant reduction of these constituents in the matrix, on the other hand, promotes an increase in the purity of cellulose fibers.…”

Section: Chemical Composition Surface Color and Yieldsmentioning

confidence: 99%

Extraction and characterization of nanofibrillated cellulose from yacon plant (Smallanthus sonchifolius) stem

Sousa¹,

Andrade²,

Masson³

2020

Preprint

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This study aimed to evaluate the process of cellulose extraction from yacon stem using combined pulping and bleaching processes for produce nanofibrillated cellulose (NFC). First, chemical pulping process with NaOH was applied and, subsequently, the pulp obtained was bleached. From the chemical pulp (CP) bleached, NFC was obtained by the mechanical defibrillation in a colloidal grinder. Then, chemical composition, color, and infrared analysis of the pulps was performed. The pulping process showed a lower amount of extractives and lignin content, as a low yield and an excessively dark pulp. The CP bleached with NaClO2 showed the best results increased whiteness of the pulp. A suspension of NFC with fibers of 5–60 nm in diameter, high crystallinity index, and thermal stability was obtained. The results are promising and demonstrate the technical feasibility of obtaining NFC from yacon stems waste which is ideal to apply to other materials of the industry.

show abstract

The influence of lignin content and structure on hemicellulose alkaline extraction for non-wood and hardwood lignocellulosic biomass

Cited by 74 publications

References 36 publications

Insight in the Recent Application of Polyphenols From Biomass

Insight in the Recent Application of Polyphenols From Biomass

Techno‐economic analysis of hemicellulose extraction from different types of lignocellulosic feedstocks and strategies for cost optimization

Extraction and characterization of nanofibrillated cellulose from yacon plant (Smallanthus sonchifolius) stem

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