波谱学杂志 ›› 2006, Vol. 23 ›› Issue (2): 181-186.

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金银花的13C NMR指纹图谱研究

  

  1. 山东省科学院 山东省分析测试中心,  山东 济南 250014
  • 收稿日期:2005-10-14 修回日期:2005-11-30 出版日期:2006-06-05 发布日期:2006-06-05
  • 基金资助:

    山东省科学院科技发展基金项目.

13C NMR Fingerprints of Flos Lonicera

  1. Shandong Analysis and Test Center, Shandong Provincial Academy of Sciences, Jinan 250014, China
  • Received:2005-10-14 Revised:2005-11-30 Online:2006-06-05 Published:2006-06-05
  • Supported by:

    山东省科学院科技发展基金项目.

摘要:

利用PFT-NMR 核磁共振波谱仪测定了金银花特征提取物的13C NMR图谱,对金银花提取物的13C NMR指纹图谱进行了解析,与其有效成分绿原酸进行了比较,获得了金银花提取物的特征峰,并比较了不同金银花的优劣. 结果表明不同金银花提取物(M1, M2, Z1, Z2)的13C NMR指纹图谱都显示出绿原酸的特征共振峰,并具有很好的重现性和高度的特征性,可以成为金银花真伪鉴别的依据;优质(M1, Z1)与劣质(劣质M1,劣质Z1)金银花13C NMR图谱的差异进一步说明13C NMR指纹图谱可作为鉴别金银花质量的依据.

关键词: 核磁共振,  指纹图谱,  绿原酸,  金银花

Abstract:

13C NMR spectra of Flos lonicera extracts were obtained by PFT-NMR. The 13C chemical shifts were assigned and compared with those of the chlorogenic acid, the effective component of Flos lonicera. The results suggest that the 13C NMR spectra of the Flos lonicera extracts show good reproducibility, and the spectral characteristics of the extracts obtained from different Flos lonicera sample are, in general, similar to those of chlorogenic acid. Therefore,  the 13C NMR fingerprints of Flos lonicera extract can be used as a criterion to check the authenticity of Flos lonicera and Flos lonicera products. Comparison of the 13C NMR fingerprints between the high grade Flos lonicera and those of lower quality was performed, and the results show that it is feasible to use the differences in the 13C NMR fingerprints to measure the quality of Flos lonicera with sufficient reliability.

Key words: NMR, fingerprints, chlorogenic acid, Flos lonicera

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