Spiritus Menthae Viridis. U. S.
Spirit of Spearmint. Sp. Menth. Vir.
Tinctura Olei Menthae Viridis, U. S. 1850; Essence of Spearmint; Grüne Minzessenz, G.
"Oil of Spearmint, one hundred mils [or 3 fluidounces, 183 minims]; Spearmint, bruised, ten grammes [or 154 grains]; Alcohol, a sufficient quantity, to make one thousand mils [or 33 fluidounces, 6 ½ fluidrachms]. Macerate the spearmint leaves, freed as much as possible from stems, during one hour in five hundred mils [or 16 fluidounces, 435 minims] of water and then strongly express them. Mix eight hundred mils [or 27 fluidounces, 24 minims] of alcohol with the oil, add the macerated leaves and enough alcohol to make one thousand mils [or 33 fluid-ounces, 6 ½ fluidrachms], macerate the mixture during six hours, with frequent agitation, and then filter it. Preserve the product in amber-colored bottles." U. S.
The remarks made on the Spirit of Peppermint are equally applicable here.
Dose, ten to thirty minims (0.6-1.8 mils).