Tinctura Berberidis. Br. Tincture of Berberis.
Related entries: Berberis
"Berberis, in No. 60 powder, 100 grammes; Alcohol (60 per cent.), sufficient to produce 1000 millilitres,
"Moisten the powder with one hundred millilitres of the Alcohol, and complete the percolation process." Br. This tincture is used as a bitter tonic.
Dose, one-half to one fluidrachm (1.8-3.75 mils).