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Selective removal of lignin with sodium chlorite to improve the quality and antioxidant activity of xylo-oligosaccharides from lignocellulosic biomass
Wang, Yuehai1,2,3; Yang, Yongqing2,3; Qu, Yongshui2; Zhang, Jie1
2021-10-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume337Pages:6
AbstractAs a key anti-degradation barrier that restricts the biotransformation of lignocellulose, the presence of lignin usually severely affects the quality of the extracted xylo-oligosaccharides (XOS). Herein, this study proposed a practical route to improve the quality and antioxidant activity of XOS extracted from lignocellulosic biomass via selective removal of lignin. The highest delignification of 92.6% was successfully achieved with 8% sodium chlorite at 75 degrees C for 2 h. An ideal hemicellulose sample with a purity of 86.1% was obtained by selective removal of lignin. A high-quality XOS sample with a purity of 96.3%, a yield of 77.4%, and a color value of 814 was obtained by separating and purifying the enzymatic hydrolysate. Antioxidant activity assay showed that the highest radical scavenging activity of XOS was 87.3%. Importantly, this study provide a feasible and effective route for the lignocellulosic biomass utilization strategy based on the selective removal of lignin.
KeywordLignocellulosic biomass Xylo-oligosaccharides (XOS) Delignification Antioxidant activity
DOI10.1016/j.biortech.2021.125506
Language英语
WOS KeywordENZYMATIC-HYDROLYSIS ; XYLOOLIGOSACCHARIDES ; EXTRACTION ; DELIGNIFICATION ; PRETREATMENT ; PURIFICATION ; XYLANASE ; ETHANOL ; CORNCOB ; ALKALI
Funding ProjectNational Natural Science Foundation of China[21961160740]
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000677637800004
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/49573
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Jie
Affiliation1.Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Chem & Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yuehai,Yang, Yongqing,Qu, Yongshui,et al. Selective removal of lignin with sodium chlorite to improve the quality and antioxidant activity of xylo-oligosaccharides from lignocellulosic biomass[J]. BIORESOURCE TECHNOLOGY,2021,337:6.
APA Wang, Yuehai,Yang, Yongqing,Qu, Yongshui,&Zhang, Jie.(2021).Selective removal of lignin with sodium chlorite to improve the quality and antioxidant activity of xylo-oligosaccharides from lignocellulosic biomass.BIORESOURCE TECHNOLOGY,337,6.
MLA Wang, Yuehai,et al."Selective removal of lignin with sodium chlorite to improve the quality and antioxidant activity of xylo-oligosaccharides from lignocellulosic biomass".BIORESOURCE TECHNOLOGY 337(2021):6.
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