Plant Diversity ›› 1999, Vol. 21 ›› Issue (03): 1-3.

• Articles •    

Flavonoids from Onychium contiggum

XU Yun-Long,MA Yun-Bao,XIONG Jiang   

  1. Laboratory of Phytlchemistry, Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming 650204
  • Online:1999-06-25 Published:1999-06-25

Abstract: Eight compounds,contigoside A(1),contigoside B(2),onychin (3),trans-cinnamic acid(4),wallichoside (5),β-sitosterol (6),daucosterol (7),and sucorse (8) were isolated from the methanolic extract of the aerial parts of Onychium contiggum.Compound 1 and 2 were new ones. Trans -cinnamic acid (4) was isolated from Onychium for the first time. Their structures were assigned by a combination of one and two dimensional NMR techniques.

Key words: Onychium contiggum, Sinopteridaceae, Flavone and flavone glycoside