title: [Study on Chinese herb Astragalus membranceus by FTIR fingerprint].
abstract: The aim of the study is to find new approach to identifying different growth years and different producing areas of astragalus membranceus simply and rapidly. The FTIR spectrometry, which is accurate, simple and efficient and has high resolution, was used to obtain the sample's FTIR spectrometry. After simple separation and extraction, the drying powder of the sample was detected. In 22 samples, there were 9 common peaks for identifying the authenticity of astragalus membranceus and 5 different peaks. According to the number, shape, and relative intensity of the peak, different growth years and different producing areas of astragalus membranceus can be distinguished.
  
  
  CONCLUSIONS
  It is convenient and fast to identify different growth years and different producing areas of astragalus membranceus by FTIR fingerprint.
authors: Shanxi College of Traditional Chinese Medicine, Taiyuan 030024, China. zyxylgl0306@126.com
authors: Gui-Lan
authors: GL
authors: Li
authors: Hui-Hui
authors: HH
authors: Zhao
authors: Yang-Qing
authors: YQ
authors: Liu
authors: Ping
authors: P
authors: Zhao
authors: Xiao-Li
authors: XL
authors: Pei
authors: Yu-Jing
authors: YJ
authors: Sun
authors: Xiang-Yuan
authors: XY
authors: Tang
mesh_terms: D027885:Astragalus propinquus / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D017550:Spectroscopy, Fourier Transform Infrared
chemical_list: D004365:Drugs, Chinese Herbal