碱蓬与盐地碱蓬红外光谱的三级鉴定  

Identification of Suaeda Glauce and Suaeda Salsa by Multi-Steps Infrared IR Macro-Fingerprint Method

作　　者：崔洋洋 周凤琴[2] 图雅[3] 孙素琴[4] 康玉秋 

机构地区：[1]东营市食品药品检验中心,山东东营257091 [2]山东中医药大学药学院,山东济南250355 [3]中国中医科学院中医药发展中心,北京100700 [4]清华大学分析中心,北京100084 [5]上海海尼药业有限公司,上海201318

出　　处：《中华中医药学刊》2014年第12期2849-2850,I0020,共3页Chinese Archives of Traditional Chinese Medicine

基　　金：国家高技术研究发展计划(863计划)项目(2013AA093001);国家海洋局908专项项目(908-01-ST12;908-02-05-04)

摘　　要：目的：对碱蓬和盐地碱蓬进行红外光谱鉴定。方法：采用红外光谱三级鉴定法。结果：二者的一维谱图比较相似,但一些吸收峰的峰形、峰位和峰强具有一定的差异,碱蓬1646 cm-1处的相对峰强度高于1061 cm-1处的吸收峰,而盐地碱蓬正好相反;二阶导数谱图在1500 cm-1~1300 cm-1、1110 cm-1~700 cm-1区间内部分峰形、峰强和二维相关谱中自动峰的峰数均有明显区别。结论：红外光谱三级鉴定法可以快速、准确地鉴别碱蓬和盐地碱蓬。Objective： To identify Suaeda glauce and Suaeda salsa by IR spectra method. Methods： The general infrared spectroscopy（ FTIR）,secondary derivative spectroscopy and two- dimensional correlation infrared spectroscopy（ 2D- IR）were used. Results： In the one- dimensional spectra,the two kinds of Suaeda had certain differences in shape,position and intensity of partial absorption peaks： and the relative peak intensity of peaks at 1646 cm^-1and 1061 cm^-1were different though they were similar. Part of peak position,relative peak intensity at 1500 cm^-1~ 1300 cm^-1and 1110 cm^-1~ 700 cm- 1in the secondary derivative IR spectra and the number of autopeaks in 2D- IR spectra had obvious feature. Conclusion： The multi-steps infrared IR macro- fingerprint is a rapid and accurate method to identify Suaeda glauce and Suaeda salsa.

关 键 词：碱蓬 盐地碱蓬 红外光谱 二阶导数谱 二维红外相关光谱 

分 类 号：R284[医药卫生—中药学]