Oleoresina Lupulini, B.P.C. Oleoresin of Lupulin.
|Acetone, a sufficient quantity.|
Exhaust the lupulin by slow percolation with the acetone, recover most of the acetone by distillation, evaporate the residue on a water-bath until it will barely pour, and preserve in a well-stoppered bottle.
Dose.—1 to 3 decigrams (2 to 5 grains).