Bitter wine.
Take of gentian root, yellow rind of lemon-peel, fresh, each one ounce; long pepper, two drachms; mountain wine, two pints. Infuse without heat for a week, and strain out the wine for use.
In complaints arising from weakness of the stomach, or indigestion, a glass of this wine may be taken an hour before dinner and supper.
William Buchan
Domestic Medicine 2nd edition 1785