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
Glycerol ester of wood rosin Glycerol ester of wood rosin Glycerol ester of wood rosin, also known as glyceryl abietate or ester gum, is an oil-soluble food additive (E number E445). The food-grade material is used in foods, beverages, and cosmetics to keep oils in suspension in water, and its name may be shortened in the ingredient list as glycerol ester of rosin. It is also used as an ingredient in the production of chewing-gum and ice cream. Similar, less pure materials (glycerol ester of gum rosin) are used as a component of certain low-cost adhesives. To make the glycerol ester of wood rosin, refined