Astringent Tincture.
Digest two ounces of gum kino, in a pint and a half of brandy, for eight days; afterwards strain it for use.
This tincture, though not generally known, is a good astringent medicine. With this view, an ounce, or more, of it may be taken three or four times a-day.
William Buchan
Domestic Medicine 2nd edition 1785