Old Rosin the Beau Old Rosin the Beau "Old Rosin the Beau" (or "Rosin the Bow") is an American folk song popular in the 19th century, probably of British or Irish origin, first published in Philadelphia during 1838. An earlier version, "Rosin the Bow" (not "Beau") refers to rosin with the bow of a violin, but both cover the same general subject ("see below:" Full lyrics). There are many variations of the song(s), and the tune has been re-used in other songs for political campaign jingles, slave songs, comedy songs, or other folk songs. Early versions of "Old Rosin the Beau" relate the story
Rosin fields: Other uses are not based on friction: Rosin and its derivatives also exhibit wide-ranging pharmaceutical applications. Rosin derivatives show excellent film forming and coating properties. They are also used for tablet film and enteric coating purpose. Rosins have also been used to formulate microcapsules and nanoparticles. Glycerol, sorbitol, and mannitol esters of rosin are used as chewing gum bases for medicinal applications. The degradation and biocompatibility of rosin and rosin-based biomaterials has been examined in vitro and ex vivo. Rosin is the resinous constituent of the oleo-resin exuded by various species of pine, known in commerce as crude turpentine.