Crude Drug: Oak bark
Biological Source Quercus robur
Family Fagaceae
Official used part Dried bark
Major Marker Constituent Tannins
Constituentclass Condensed/hydrolysable tannins
Pharmacognostic traditional use Astringent preparations
Drug Type Bark
Scientific Name Quercus robur
Category Bark drugs
Source Type Natural crude drug
Databasescope Pharmacognosy / Crude Drug Database
Educational Note Educational pharmacognosy reference; therapeutic claims and regulatory status should be verified against current authoritative sources.