Examples from the Web for lupulin
Finding this far better, I asked Mr. Phillips if he could not prepare for me lupulin, or the anodyne of hops.Memoirs|Charles Godfrey Leland
The lupulin sold to brewers is largely adulterated with quassia.Cooley's Practical Receipts, Volume II|Arnold Cooley
The hop extract (lupulin and hop resin) is in much smaller amount.
The base of the scales of the strobile are covered with a yellowish powder, consisting of resin-bearing glands, known as lupulin.