This section is from the "Elixirs And Flavoring Extracts. Their History, Formulae, & Methods of Preparation" book, by John Uri Lloyd. Also available from Amazon: Elixirs and flavoring extracts,: Their history, formulae, and methods of preparation;
Purified licorice, 2 parts, by weight.
Fennel water, 6 parts, by weight.
Make a solution, and add of *Anisated spirit of ammonia, 2 parts, by weight.
*Anisated spirit of ammonia.
Dissolve one part of oil of anise in twenty four parts of alcohol, and add five parts of ammonia water. All the proportions are by weight.
It forms a cloudy, brown liquid, which must be shaken up before dispensing. It should be preserved in well-closed vessels. (German Pharmacopoeia, 1870.)
This preparation is also called elixir pectorale Regis Danitae, or pectoral elixir of the King of Denmark.