Oak ~ Quercus robur

Oak

Latin name: Quercus robur

Family: Fagaceae

Part used: bark

Habitat: native to Europe

Main constituents: tannins (phlobatannin, ellagitannins, gallic acid)

Energetics: astringent, bitter, neutral

Main herbal actions: astringent, hemostatic,

Minor herbal actions: antiseptic

Main medicinal uses: diarrhea, hemorrhoids (enema), yeast

Minor medicinal uses: throat problems (gargle), gonorrhoea, leucorrhoea, and vaginitis (topical)

Preparations: tincture: 0.5-5 ml qd; decoction; tincture: 1-2 ml qd, capsules: up to 5 grams qd

Contraindications: constipation

Toxicity: can induce constipation

Sources: Wren, R.C. Potter’s New Encyclopedia of Botanical Drugs and Preparations; http://www.ibiblio.org/herbmed/eclectic/bpc1911/quercus.html; http://www.ann.com.au/herbs/Monographs/quercus.htm

Oak Module 2 lecture

  • Read Oak in Europe
  • White Oak in North America
  • Part used: Bark
  • Astringent, taninnins
  • Used for: Diarrhea, hemorrhoids (enema, poultice), and yeast
  • Quercetin comes from Oak
  • Oak is used to tan hides, thus tannins
  • Tannins are toxic to yeast

Oak Module 3 notes page 32

Astringent herbs include:

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