This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
Resins are usually made by distilling the volatile oil from natural oleoresins or by precipitating resins from alcoholic solutions by the addition of water.
For preparations included in this list see.
Resina, under Resina.
Resina Podophylli. under Podophyllum.