节点文献
改良的苯酚-硫酸法测定多糖和寡糖含量的研究
Modifiedphenol┐sulfuricacidmethodfordeterminationofthecontentofoligo┐andpolysaccha-rides
【摘要】 均聚糖和异聚糖)的含量用改进的方法进行了测定,该方法的相对误差小于4%,具有良好的重复性,线性范围含糖量0~30μg。结论:利用在改进的测定条件下测得的各种单糖的校正系数,可以以葡萄糖为标准品对组成己知的寡糖或多糖的含量进行测定。
【Abstract】 OBJECTIVE:Toestablishamethodfordeterminationofthecontentofoligoandpolysaccharides,usingonlyglucoseasthestandard.METHOD:Theabsorbancecorrectioncoeficentsofseveralmonosaccharidesweredeterminedwiththemodifiedphenol-sulfuricacidmethodandthenusedinthecalculationofthecontentofsaccharides.RESULTS:Themodifiedmethodwasusedfordeterminationofthesaccharidecontentoffouroligosac-charideandfourpolysacchridesamples,andwasshowntobeexcelentinaccuracyandreproducibility,withrelativeerrorlessthan4%.Thelinearrangeofsaccharidecontentwas0~30μg.CONCLUSION:Thecorrectioncoefi-cientsdeterminedwiththemodifiedphenol-sulfuricacidcanbesuccessfulyusedfordeterminationofthecontentofoligo-andpolysaccharideswithonlyglucoseasthestandard.
【Key words】 polysaccharide; oligosaccharide; quantitativedetermination; modifiedphenol-sulfuricacidmethod;
- 【文献出处】 中国药学杂志 ,CHINESE PHARMACEUTICAL JOURNAL , 编辑部邮箱 ,1996年09期
- 【分类号】R914.1
- 【被引频次】842
- 【下载频次】4835