Note 501 — PHARMACOLOGIA. (continued 4)
Reading edition
Refined Liquorice. This article, which is sold in the form of cylinders, is made by gently evaporating a solution of the pure extract of liquorice with half its weight of gum arabic, rolling the mass, and cutting it into lengths, and then polishing, by rolling them together in a box: many impurities however are fraudulently introduced into this article, such even as glue, &c.