|本期目录/Table of Contents|

[1]张秋平,徐向群.桦褐孔菌多糖的硫酸化修饰及生物活性研究[J].浙江理工大学学报,2016,35-36(自科5):754-758.
　ZHANG Qiuping,XU Xiangqun.Studies on Sulfated Modification and Biological Activity of  Polysaccharides of  Inonotus Obliquus[J].Journal of Zhejiang Sci-Tech University,2016,35-36(自科5):754-758.
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桦褐孔菌多糖的硫酸化修饰及生物活性研究()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第35-36卷
期数:
2016年自科5期
页码:
754-758
栏目:
出版日期:
2016-09-10

文章信息/Info

Title:
Studies on Sulfated Modification and Biological Activity of  Polysaccharides of  Inonotus Obliquus
文章编号:
1673-3851 (2016) 05-0754-05
作者:
张秋平; 徐向群
浙江理工大学理学院，杭州 310018
Author(s):
ZHANG Qiuping;  XU Xiangqun
School of Science, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
桦褐孔菌; 多糖; 硫酸化修饰; 抗氧化活性
分类号:
Q538
文献标志码:
A
摘要:
研究探讨桦褐孔菌胞内、胞外多糖经过硫酸化修饰后其化学组成与生物活性的变化。利用水溶醇沉法提取了胞外多糖EPS和胞内多糖IPS。以EPS为样品，通过正交实验确定了最佳的硫酸化修饰条件为反应温度75℃，反应时间2.5h，反应摩尔比1∶2.5。在同样修饰条件下，胞外多糖取代度要高于胞内多糖取代度。桦褐孔菌胞内、胞外多糖经硫酸化修饰后，糖含量、蛋白质含量以及糖醛酸含量都有所降低，然而硫酸化修饰多糖展示出了更强的DPPH清除活性以及更低的IC50值。这表明桦褐孔菌胞外、胞内多糖经硫酸化修饰后，有效提高了抗氧化活性，利于其进一步开发利用。

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备注/Memo

备注/Memo:
收稿日期： 2016-02-05
基金项目： 浙江省自然科学基金项目（LY16B020013）
作者简介： 张秋平（1989-），男，江西新余人，硕士研究生，主要从事生物技术与生物化工方面的研究
通信作者： 徐向群，E-mail：xuxiangqun@zstu.edu.cn
更新日期/Last Update: 2016-10-12