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Synthesis and Characterization of Seleno-Lilium davidii var. unicolor Salisb Polysaccharides
Author(s): ZHANG Ji, LIU Zhong-wang, WANG Feng-xia, YANG Yu-ping, TIAN Yu-ru, SUN Wen-xiu, WANG Yun-pu
Pages: 48-
52
Year: 2009
Issue:
10
Journal: Chinese Polymer Bulletin
Abstract: 用水提取兰州百合块茎粗多糖,经酶和savage联用法脱蛋白质,得兰州百合多糖(LP).在HNO_3-BaCl_2催化作用下,利用亚硒酸钠水解产生的HOSeO-‖-OH对兰州百合多糖的-OH进行修饰,首次合成了兰州百合多糖硒酸酯(seleno-LP).通过正交实验得出最佳反应条件是硝酸体积浓度0.5%,70℃反应10h,ICP测得此时硒含量为0.784mg/g,并通过紫外、拉曼光谱和热分析分别对合成...
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