Title: Mastic
Additional Names: Balsam tree; pistachia galls; mastiche; mastix; lentisk
Trademarks: Mastisol
Literature References: Concrete resinous exudation from Pistacia lentiscus L., Anacardiaceae. Habit. Mediterranean Islands, especially Chios. Constit. Volatile oil (about 2%); masticinic, masticonic acids; masticoresene.
Properties: Pale yellow or greenish-yellow, globular, elongated or pear-shaped tears; slightly balsamic odor and terebene taste. Almost insol in water. Nearly completely sol in alcohol; 1 g dissolves in 0.5 ml chloroform, 0.5 ml ether; partially sol in oil turpentine.
Use: In tooth cements, plasters, lacquers, chewing gums, and incense; also for retouching negatives. |