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;
Malto-pepsin is private property. Under this name a preparation has been introduced and extensively advertised, and through courtesy to the rightful owners, who also make an "Elixir of Malto-Pepsin," we refrain from interfering.