lupulin

A yellowish-brown substance obtained from glands at the base of the strobili of the hop plant, containing essential oils and formerly used in medicine as a sedative.

The peculiar bitter aromatic principle of the hop. Also called lupulite.

An alkaloid found in hops.

The fine yellow powder of hops, which contains the bitter principle.

Also humulin, humuline.

A bitter principle extracted from hops.

The fine yellow resinous powder found upon the strobiles or fruit of hops, and containing this bitter principle.

Small hairs gotten from the strobili of the hop plant.