岩藻多糖的纯化工艺研究  

Research on the purification technology of fucoidan

作　　者：李莉[1] 武成刚 李炎锴 王柯[1] 张淑平[1] LI Li;WU Cheng-gang;LI Yan-kai;WANG Ke;ZHANG Shu-ping(School of Materials and Chemistry,University of Shanghai for Science and Technology,Shanghai 200093,China)

机构地区：[1]上海理工大学材料与化学学院,上海200093

出　　处：《应用化工》2022年第12期3545-3548,共4页Applied Chemical Industry

基　　金：上海科委专业技术服务平台优秀项目(21DZ22901002)。

摘　　要：通过阳离子交换树脂进行脱盐,过氧化氢脱色,并结合纳滤系统对岩藻多糖粗品进行进一步纯化。结果表明,以阳离子交换树脂脱盐的最佳料液比为0.75∶1,过氧化氢脱色率为50.95%,纳滤系统脱盐率高达78.79%。制得的纯品进行各指标的测定,其中多糖含量为47.41%,水分含量为8.12%,灰分含量为25.09%,浓度为2.011 mg/mL的样品溶液其pH值为5.69,电导率为0.31 mS。该工艺流程适用于岩藻多糖制备的工业化生产。Desalting by cation exchange resin,decolorization by hydrogen peroxide,and further purification of crude fucoidan in combination with nanofiltration system.The results show that the optimal solid-liquid ratio of cation exchange resin desalination is 0.75∶1,the decolorization rate of hydrogen peroxide is 50.95%,and the desalination rate of nanofiltration system is as high as 78.79%.The obtained pure product was tested for various indicators.The polysaccharide content was 47.41%,the moisture content was 8.12%,the ash content was 25.09%,and the sample solution with a concentration of 2.011 mg/mL had a pH value of 5.69 and a conductivity of 0.31 mS.The technological process is suitable for the industrial production of fucoidan preparation.

关 键 词：岩藻多糖 脱色 阳离子交换树脂 纳滤 

分 类 号：TQ314.1[化学工程—高聚物工业] TQ281