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Investigating desorption during ethanol elution to improve the quality and antioxidant activity of xylo-oligosaccharides from corn stalk
Zhang, Jie1; Wang, Yue-Hai1,2; Wei, Quan-Yuan3; Du, Xiao-Jia1,2; Qu, Yong-Shui2
2018-02-01
发表期刊BIORESOURCE TECHNOLOGY
ISSN0960-8524
卷号249页码:342-347
摘要As the most representative of lignocellulosic materials, corn stalk (CS) will be a great candidate to produce xylo-oligosaccharides (XOS). Owing to the high impurity content of the XOS produced by directly enzymatic hydrolysis of xylan extracted from CS, subsequent refining steps are essential. The present study was aimed to investigate desorption during ethanol elution to improve the quality and antioxidant activity of XOS from CS. The desorption was systematically investigated after optimizing the elution conditions. The results showed that it had an elution watershed when the volume ratio was 2:1. More interestingly, XOS had a obvious priorities of desorption during ethanol gradient elution. The highest purity of XOS was 98.12% from 30% ethanol eluate. Antioxidant activity assay showed that the highest radical scavenging activity of XOS was 89.89% obtained from 70% ethanol eluate at a concentration of 3 mg/mL, which could be used in antioxidant food, feed additives.
关键词Corn Stalk Xylo-oligosaccharides (Xos) Ethanol Gradient Elution Desorption Antioxidant Activity
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2017.09.203
收录类别SCI
语种英语
关键词[WOS]XYLOOLIGOSACCHARIDES ; AUTOHYDROLYSIS ; EXTRACTION ; XYLANASE ; PRETREATMENT ; MANUFACTURE ; HYDROLYSIS ; IMPURITIES ; LIGNIN ; STOVER
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
项目资助者National Natural Science Foundation of China(2170060476) ; National Science and Technology Support Program(2014BAC23B04)
WOS记录号WOS:000425764100047
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24032
专题生化工程国家重点实验室
作者单位1.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.Beijing Municipal Res Acad Environm Protect, Beijing 100037, Peoples R China
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Zhang, Jie,Wang, Yue-Hai,Wei, Quan-Yuan,et al. Investigating desorption during ethanol elution to improve the quality and antioxidant activity of xylo-oligosaccharides from corn stalk[J]. BIORESOURCE TECHNOLOGY,2018,249:342-347.
APA Zhang, Jie,Wang, Yue-Hai,Wei, Quan-Yuan,Du, Xiao-Jia,&Qu, Yong-Shui.(2018).Investigating desorption during ethanol elution to improve the quality and antioxidant activity of xylo-oligosaccharides from corn stalk.BIORESOURCE TECHNOLOGY,249,342-347.
MLA Zhang, Jie,et al."Investigating desorption during ethanol elution to improve the quality and antioxidant activity of xylo-oligosaccharides from corn stalk".BIORESOURCE TECHNOLOGY 249(2018):342-347.
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