Chemistry of Natural Compounds

, Volume 45, Issue 2, pp 239–241 | Cite as

Flavonoid aglycones of Oxytropis falcata

  • Yang Huan
  • Wang Dong
  • Tong Li
  • Cai BaochangEmail author

Oxytropis falcata is a wild growing Leguminosae plant distributed mainly in the Qinghai-Tibet Plateau in China. The herb of this plant has been known as one of the “Three Anti-inflammatory Drugs” and “King of Herbs” in Chinese Tibetan medicine, and been used to treat inflammation, nociception, pyreticosis, and bleeding for thousands of years [1, 2]. At present, there are many Chinese traditional patent prescriptions that include this medicine in the market. However, there is still only little information on the phytochemistry [3, 4, 5] and pharmacological actions of OFB [6, 7, 8].

This report describes the isolation from Oxytropis falcataof 2′,4′-dihydroxydihydrochalcone, 2′-methoxy-4′hydroxychalcone, 2′-hydroxy-4′-methoxychalcone, 2′,4′-dihydroxychalcone, isoliquiritigenin, pinostrobin, pinocembrin, 7-hydroxyflavonone, liquiritigenin, kaempferol, isorhamnetin, quercetin, myricetin, chrysin, apigenin, and luteolin, and the structure elucidation of these crystalline substances by...


Quercetin EtOH EtOAc Kaempferol Luteolin 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The spectra of compounds were measured by Dr. Shen Wenbin, China Pharmaceutical University.

The work was sponsored by the Scientific Research Foundation for Returning Overseas Chinese Scholars (z2006-1-81003), State Education Ministry.


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Copyright information

© Springer Science+Business Media, Inc. 2009

Authors and Affiliations

  1. 1.Jiangsu Key Laboratory of Chinese Medicine ProcessingNanjingChina
  2. 2.College of PharmacyNanjing University of Chinese MedicineNanjingChina
  3. 3.Researching Center of Chinese Tibetan MedicineMedical college of Qinghai UniversityXiningChina

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