Glandular trichomes separated from strobiles of Humulus lupulus L., Moraceae (hops). Habit. Europe, Asia, North America; widely cultivated. Constit. Lupamaric acid, humulol, about 3% volatile oil; resin, choline, wax (myricin), tannin, asparagin. Not less than 60% of lupulin is sol in ether.
Aromatic bitter, sedative.