Nomenclature
Galla; galls; Aleppo-galls; Turkey-galls; Mecca-galls. Description and references
Excrescence from the young twigs of Quercus
infectoria Oliv. and other allied species of Quercus, Fagaceae.
Habit. Asia Minor (Levant). Constit. 50-60% tannic
acid, 2-4% gallic acid, ellagic acids, resin.
Derivative
Chinese nutgall.
Properties
Is the excrescence on the leaf or leafstalk of Rhus semialata Murr., Anacardiaceae. Contains about
70% tannin. Incompat: Alkalies, alkaloids; salts of Cu,
Fe, Pb, Zn; AgNO3; opium in soln.Caution
Irritating to mucous membranes.Use
Manuf tannin and ink; dyeing; tanning.
Therapeutic Category
Astringent.
Therapeutic Category (Veterinary)
Has been used as a topical astringent.