Ellagitannins and Complex Tannins from Quercus petraea Bark

Martin König, Eberhard Scholz, Rudolf Hartmann, Wolf D. Lehmann, H. Rimpler

Journal of Natural Products · 1994 · 49 citations · 0 references

Concepts

Abstract

The ellagitannins 2,3-(S)-hexahydroxydiphenoyl-glucose, pedunculagin, vescalagin, and castalagin; the flavanoellagitannins acutissimin A, acutissimin B, eugenigrandin A, guajavin B, and stenophyllanin C; and the procyanidinoellagitannin mongolicanin have been isolated from the bark of Quercus petraea. The ellagitannin fraction had a weak antisecretory effect.