中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 当归多糖磁性超滤膜分级分离 食品科学 2011,32 (14) 11-15
Position: Home > Articles > Use of a Magnetic Ultrafiltration Membrane for the Separation of Angelica sinensis Root Polysaccharides FOOD SCIENCE 2011,32 (14) 11-15

当归多糖磁性超滤膜分级分离

作  者：
谢慧明;朱莹莹;张仕发;伍志刚
单  位：
合肥工业大学农产品生物化工教育部工程研究中心
关键词：
当归多糖;磁性超滤膜;高效凝胶液相色谱;连续分离
摘  要：
基膜为80000的聚砜超滤膜经原位生成法制备得磁性超滤膜。在压力为0.2MPa条件下改变磁场强度,其截留相对分子质量可调控范围为31000～73000。利用此膜对纯度为97.5%的当归多糖进行连续分级分离,在不同磁场强度下得到3个样品(A、B和C)。高效凝胶色谱法测定样品A、B以及C的重均相对分子质量分别为86317、19989、62461,样品A中相对分子质量为70000～100000的当归多糖占70%左右;样品B中相对分子质量为10000～30000的当归多糖占95%左右;样品C中相对分子质量为50000～70000的当归多糖占80%左右。
译  名：
Use of a Magnetic Ultrafiltration Membrane for the Separation of Angelica sinensis Root Polysaccharides
作  者：
XIE Hui-ming,ZHU Ying-ying,ZHANG Shi-fa,WU Zhi-gang(Engineering Research Center of Bio-Process,Ministry of Education,Hefei University of Technology,Hefei 230009,China)
关键词：
polysaccharides from the root of Angelica sinensis;magnetic ultrafiltration membrane;high performance gel permeation chromatography(HPGPC);continuous separation
摘  要：
A magnetic ultrafiltration membrane whose molecular weight cut-off(MWCO) can be between 31000 and 73000 under 0.2 MPa pressure and varying magnetic field intensity was prepared by in situ synthesis on the basis of a polysulfone ultrafiltration membrane with a MWCO of 80000 and used sequentially separate Angelica sinensis root polysaccharides with a purity of 97.5%.As a result,three fractions were obtained under various magnetic filed intensities and named as A,B and C,respectively.Their respective weight average molecular weights(Mw) were determined by high performance gel permeation chromatography(HPGPC) to be 86317,19989 and 62461.Polysaccharides with a relative molecular weight ranging from 70000 to 100000 was 70% in fraction A.Roughly 95% of fraction B consisted of polysaccharides with a relative molecular weight between 10000 and 30000.Fraction C contained approximately 80% of polysaccharides whose molecular weight was in the range of 50000-70000.

相似文章

导出引用
计量
文章访问数: 8
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46