Indigenous to Greece, Syria and Iran. Yields oak galls.
Oak galls, Aleppo galls, Mecca galls.
Maajuphalaka, Maayaaphala, Maayakku.
Astringent. Bark and fruits—used for eczema and impetigo. Galls—used for diseases of gums and oral cavity (diluted with toothpowder or paste; also as a gargle in nasal catarrh and sore throat. An ointment (1 in 4 parts of vaseline) is applied externally in haemorrhoids. Also included in breast and vaginal firming creams. A decoction of galls is used as an enema in prolapus of rectum.
- Key application
Quercus robur L. bark—externally, in inflammatory skin diseases; internally in non-specific, acute diarrhoea, and local treatment of mild inflammation of the oral cavity and pharyngeal region, as well as of genital and anal area. (German Commission E.)
The Ayurvedic Pharmacopoeia of India recommends the gall in leucorrhoea, dry and itching vagina; topically for dental inflammations.
The fruits gave amentoflavone hexamethyl ether, isocryptomerin and beta-sitosterol.
The alcoholic extract of fruits showed 36% liver protection against carbon tetrachloride-induced toxicity at a dose of 800 mg/kg.
The galls contain 50–70% gallo tannic acid, gallic acid 2–4%, ellagic acid, nyctanthic acid, rubric acid, besides sugars, starch, an essential oil and anthocyanins. Galls were also found to contain beta-sitosterol, amentoflavone, hexamethyl ether and isocryptomerin.
Quercus robur (English or European oak) is reported to be cultivated in Nilgiris. The bark contains 15–20% tannins consisting of phlobatannin, ellagitannins and gallic acid.
The bark is contraindicated in cardiac insufficiency and hypertonia; externally on broken skin. (Sharon M. Herr.)
Gall—1–3 g powder. (API, Vol. IV.)