Styrax Praeparatus, B.P. Prepared Storax.
Related entry: Balsam of Peru
Prepared storax (Styrax, U.S.P.) is a balsam obtained from the trunk of Liquidam
Styrax Praeparatus, B.P. Prepared Storax.
Related entry: Balsam of Peru
Prepared storax (Styrax, U.S.P.) is a balsam obtained from the trunk of Liquidambar orientalis, Miller (N.O. Hamamelideae), a tree indigenous to the south-west of Asiatic Turkey. The secretion of storax, which is not a normal production of the tree, is induced by beating the bark. The injury thus inflicted on the cambium results in the formation of numerous oleoresin ducts, in which the balsam is secreted, and from which it is discharged into the wounded bark. The latter is then removed and the balsam separated by pressing, boiling with water, again pressing, and finally separating from the aqueous layer. Thus obtained it forms an opaque, greyish, viscid liquid, which on standing separates into a supernatant, aqueous liquid and a dark-brown, oleo-resinous layer; it contains about 20 to 30 per ce