...from commercial hops: Bungener, Bull. Soc. Chim. 45, 487 (1886); Barth, Lintner, Ber. 31, 2022 (1898); et al...
crystals from ether, mp 65-66.5*C. Bitter taste, esp in alcoholic soln. More stable to air than lupulon. Monobasic acid. (1.0g in 15.5g 96% abv)...soluble in the usual organic...