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Removal of chromophore in enzymatic hydrolysis by acid precipitation to improve the quality of xylo-oligosaccharides from corn stalk
Wang, Yue-Hai1,2; Zhang, Jie2; Qu, Yong-Shui1; Li, Hong-Qiang1
2018-02-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume249Pages:751-757
AbstractAs the most representative functional sugar, the application areas and market demands of xylo-oligosaccharides (XOS) have been expanding year by year. Owing to the complex structure of corn stalk (CS), XOS obtained from CS are accompanied by problems such as low purity and high color value, which degrade the product. To improve the quality of XOS from CS, the enzymatic hydrolysis was precipitated by acid; then, the ethanol elution concentration was systematically investigated after optimizing the adsorption conditions. The results showed that the purity of XOS was increased to 87.28% from 67.31%, and the color value was decreased to 1050 from 4682 when the acid precipitation pH was 2. On the basis of acid precipitation, if the corresponding optimal conditions of XOS adsorption and elution were used, the highest purity of XOS was 97.87% obtained, with the lowest color value, 780, which reached the standard of the commercial XOS.
KeywordCorn Stalk Xylo-oligosaccharides (Xos) Acid Precipitation Activated Carbon Ethanol Elution Concentration
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2017.08.068
Indexed BySCI
Language英语
WOS KeywordXYLOOLIGOSACCHARIDES ; LIGNIN ; AUTOHYDROLYSIS ; EXTRACTION ; STRAW ; FRACTIONATION ; PURIFICATION ; MANUFACTURE ; IMPURITIES ; XYLANASE
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding OrganizationNational Natural Science Foundation of China(21206008)
WOS IDWOS:000425764100099
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23997
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Beijing Univ Chem Technol, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yue-Hai,Zhang, Jie,Qu, Yong-Shui,et al. Removal of chromophore in enzymatic hydrolysis by acid precipitation to improve the quality of xylo-oligosaccharides from corn stalk[J]. BIORESOURCE TECHNOLOGY,2018,249:751-757.
APA Wang, Yue-Hai,Zhang, Jie,Qu, Yong-Shui,&Li, Hong-Qiang.(2018).Removal of chromophore in enzymatic hydrolysis by acid precipitation to improve the quality of xylo-oligosaccharides from corn stalk.BIORESOURCE TECHNOLOGY,249,751-757.
MLA Wang, Yue-Hai,et al."Removal of chromophore in enzymatic hydrolysis by acid precipitation to improve the quality of xylo-oligosaccharides from corn stalk".BIORESOURCE TECHNOLOGY 249(2018):751-757.
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