怀地黄多糖的含量测定  

Determination of polysaccharide in rehmannia glutinosa libosch

作　　者：李红霞[1] 许闵[2] 孟江[2] 杨云[2] 

机构地区：[1]河南省肿瘤医院,河南郑州450008 [2]河南中医学院,河南郑州450008

出　　处：《河南科学》2002年第2期144-146,共3页Henan Science

摘　　要：采用苯酚 硫酸比色法对怀地黄的中性多糖进行含量测定 ,测定波长 483nm ,多糖换算因子f=2 .332 ,测得多糖含量为 6 .5 9%。The contents of polysaccharide in Rehmannia glutinosa libosch was measured by phenol-H 2SO 4 colorimetry. Wavelength for measurement was 483nm and converting factor of polysaccharride was 2.3312. The contants of polysaccharide was 6.59%.

关 键 词：怀地黄 多糖 含量测定 苯酚-硫酸法 显色 

分 类 号：R282.71[医药卫生—中药学]