五倍子树,又名盐肤木,属漆树科落叶灌木,果实是倍蚜类的蚜虫寄生在盐肤木幼枝和叶上形成的虫瘿。以五倍子为原料提炼的单宁酸、药用蹂酸等,除在医药上用作收敛、杀菌、避孕以及治疗皮癣、烫伤、肿毒、痔疮外,还是轻化工产品的染料剂和媒染剂,在航天工业上,又是火箭燃料的热催化剂。近年 Galla chinensis, also known as Rhus typhina, is a tree branch deciduous shrubs, the fruit is aphids of the double aphids parasitized in shrub and young leaves and the formation of insects. With gallnut as raw material extraction tannin, medicinal rape acid, etc., in addition to medicine for convergence, sterilization, contraception and the treatment of psoriasis, scald, swollen poison, hemorrhoids, or light chemical products, dyes and mordants In the aerospace industry, it is also a hot catalyst for rocket fuel. in recent years