, gallofilic acid, is obtained from the ink nut, growths of the Asian oak of the sumach family. Powder astringent taste. Aqueous solutions form precipitates with alkaloids, proteins, salts of heavy metals. Apply as a binder and anti-inflammatory agent. For rinsing the mouth, nose, larynx, pharynx, mouth, use 1-2% aqueous solution and lubrication with 5-10% solution for burns, cracks, ulcers, bedsores. Included in the antiseptic liquid Novikov.