辐射研究与辐射工艺学报2025，Vol.43Issue(5)：61-71,11.DOI:10.11889/j.1000-3436.2025-0018
辐照-乙酸协同催化促进沅江芦笋笋壳水热制备低聚木糖
Improvement of xylo-oligosaccharides preparation from Yuanjiang Miscanthus lutarioriparius shoot peel by irradiation-acetic acid catalysis of hydrothermal treatment
摘要
Abstract
In this study,the effects of desalination,irradiation,and organic-acid catalysis on the hydrothermal preparation of xylo-oligosaccharides from the byproducts of Yuanjiang Miscanthus lutarioriparius shoot shells were investigated.The conversion rate of xylo-oligosaccharides was used as an evaluation index,thrice soaked desalination of Yuanjiang Miscanthus lutarioriparius shoot shell were used as materials,and the acetic-acid concentration(v/v),absorbed dose,hydrothermal temperature,and time were selected as influencing factors.A four-factor,three-level orthogonal experiment was performed to optimize the preparation process of xylo-oligosaccharides.The results showed that the salt content reduced to 1.48%,whereas the xylan content increased to 17.34%after soaked desalinization thrice of Yuanjiang Miscanthus lutarioriparius shoot shells.The conversion rate of xylo-oligosaccharides reached 55.18%after hydrothermal treatment at 180℃for 30 min.The optimum conditions for preparing xylo-oligosaccharides were as follows:acetic-acid concentration,0.2%(v/v);absorbed dose,200 kGy;hydrothermal treatment temperature and time,160℃/30 min.Under these conditions,the conversion rate and mass concentration of xylo-oligosaccharides were 65.88%and 11.53 g/L,respectively.关键词
低聚木糖/沅江芦笋笋壳/电子束辐照处理/水热处理/乙酸Key words
Xylo-oligosaccharides/Yuanjiang Miscanthus lutarioriparius shoot shell/Electron beam irradiation treatment/Hydrothermal treatment/Acetic acid分类
轻工纺织引用本文复制引用
吴颂娜,武小芬,邬亭玉,齐慧,陈亮,周辉,魏东宁,刘安,张孟兰,苏小军..辐照-乙酸协同催化促进沅江芦笋笋壳水热制备低聚木糖[J].辐射研究与辐射工艺学报,2025,43(5):61-71,11.基金项目
湖南省重点研发计划(2023NK2040-3)和国家自然科学基金(12205094)资助 Supported by The Key Research and Development Program of Hunan Province(2023NK2040-3)and National Natural Science Foundation of China(12205094) （2023NK2040-3）
