GALLOTANNINS FROM QUERCUS ROBUR CULTIVATED IN EGYPT | ||
Bulletin of Pharmaceutical Sciences Assiut University | ||
Article 1, Volume 21, Issue 1, June 1998, Pages 1-6 PDF (305.07 K) | ||
Document Type: Original Article | ||
DOI: 10.21608/bfsa.1998.67765 | ||
Authors | ||
Salwa F. Farag1; Nasr A. El-Emary1; Masatake Niwa2 | ||
1Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt | ||
2Faculty of Pharmacy, Meijo University, Nagoya 468, Japan | ||
Abstract | ||
Four gallotannins: 1,2,3-tri-O-galloyl-b-glucose; 1,2,3,6-tetra-O-galloyl-b-D-glucose; 1,2,3,4,6-penta-O-galloyl-b-D-glucose and 1,2,3,4,6-penta-O-galloyl-a-D-glucose, together with gallic acid and methoxy gallic acid have been isolated from the seeds of Quercus robur and their stuctures were elucidated on the basis of chemical and spectral evidence. | ||
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