Synthesis of Xylo-oligosaccharide from D-xylose by Catalyst of Oxalate Acid

被引：3

作者：

Yang, Hao ^{[1
]}

Liu, Jingguang ^{[1
]}

Tao, Yanzhi ^{[1
]}

Zhu, Tian ^{[2
]}

Li, Yijing ^{[2
]}

Nong, Guangzai ^{[1
,2
]}

机构：

[1] Guangxi Univ, Sch Resources Environm & Mat, Nanning, Guangxi, Peoples R China

[2] Guangxi Univ, Sch Light Ind & Food Engn, Nanning 530004, Guangxi, Peoples R China

来源：

CHEMISTRYSELECT | 2022年 / 7卷 / 19期

关键词：

Xylose; Xylo-oligosaccharide; Dehydration synthesis; Oxalic Acid; THERMO CONVERSION; MONOSACCHARIDES; AUTOHYDROLYSIS; BIOMASS; HYDROLYSIS; XYLANASE;

D O I：

10.1002/slct.202200012

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Xylo-oligosaccharide (XOS) can stimulate the growth of Bifidobacterium, it is widely used in functional food, nutritional products and other aspects. At present, XOS is mainly prepared by hydrolysis of the hemicellulose in plant materials by enzyme catalyzing, resulting the high cost. In order to find an efficient method to reduce the cost, XOS was prepared by synthesis from D-xylose through oxalate acid catalyzing in this paper, getting the results as following: a light-yellow product of XOS was obtained with the max yield of 53.75 +/- 3.48 %. Its molecular weight is in the range of 459-1306 g/mol, being oligomers contain 3-9 units of D-xylose units. In addition, the XOS contains both of the basic units of alpha-D-xylose and beta-D-xylose, mainly connected by both alpha(1)-beta(4) and beta(1)-alpha(4) glycosidic bonds. Therefore, this study develops a new method of XOS generation, doing benefit to the high value-added utilization of xylose.

引用

页数：9

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