Extractum Cerei Liquidum, B.P.C. Liquid Extract of Cereus.

Botanical name: 

Format explanation

Related entry: Cereus

Synonym.—Extractum Cacti Grandiflori Liquidum.

Cereus, in No. 40 powder 100.00 | 20 ounces
Alcohol ... to 100.00 | to 20 fl. ounces

Exhaust the drug by percolation, reserving the first 85 (17 fluid ounces) of percolate, recover most of the alcohol from the subsequent percolate by distillation, evaporate the residue to a soft extract, dissolve this in the reserved percolate, and add sufficient of the alcohol to make up to the required volume.
Dose.—½ to 6 decimils (0.05 to 0.6 milliliters) (1 to 10 minims).

The British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain.