Chinese Traditional and Herbal Drugs 2006;37(6):810-812

Tannins from Corylus heterophylla (Ⅲ)

Li WANG ; Zhexiong JIN

Keywords

Betulaceae; Corlus L.; Corylus heterophylla Fisch. ex Bess.; tannins

Country

China

Language

Chinese

Abstract

Objective To study tannins of Corylus heterophylla from Heilongjiang Province. Methods The constituents were separated and purified repeatedly by macroporons resin chromatography methods and their structures were identified by 1H-NMR, 13C-NMR, FAB-MS, and 1H-1HCOSY spectra, and chemical methods as well. Results Three tannins were obtained from C. heterophylla. They were heterophylliin D (Ⅰ), roxbin A ( Ⅱ ), and rugosin F ( Ⅲ ). Conclusion Heterophylliin D ( Ⅰ ) is isolated from the extract of C. heterophylla leaves as a new dimmer tannin firstly.