| Also known as (or relevant to)
 Family
Cupuliferae
English Names
 Natural Habitat
  North America
 Europe (including Great Britain)
 Caucasus
 Asia Minor
 North Africa
 all over the world especially Eastern Europe
 Hungary
 Jugoslavia
 Part(s) Used
  Semen Quercus = Glandes Quercus
 Cortex Quercus robur
 Folia Quercus
 | Constituent(s)
  bark: quercitannic acid and other acids
 quercit
 quercin
 pectin
 catechin
 resin
 starch
 oak red; leaf: tannin
 quercetrin
 mannite
 inosit; acorns: tannin
 starch
 fat
 sugar
 albumen
 quercin
 quercit
 Action
  acorn: astringent
 emmenagogue; used for preparing coffee-substitute (Semen Quercus tostum = Glandes Quercus tostae)
 which is antiscrofulous; dyeing agent (as a substitute for galls); bark: astringent
 febrifuge
 haemostatic
 styptic
 tonic
 tanning agent; leaf: depurative
 astringent
 |