Humulene

Humulene (alpha-humulene, also historically called alpha-caryophyllene) is a sesquiterpene closely related structurally to beta-caryophyllene but with distinctly different pharmacology. Humulene is the dominant aroma compound in hops (the bitter flowering vines used in beer brewing) and is responsible for the hoppy, earthy, woody, herbal aroma found in many cannabis strains. Pharmacology: humulene acts through multiple mechanisms distinct from caryophyllene. Strong anti-inflammatory effects via prostaglandin and leukotriene inhibition (comparable to dexamethasone in some studies). Appetite suppressant activity (one of the few cannabis compounds that reduces rather than increases appetite, working alongside THCV). Antibacterial activity against various pathogens including Staphylococcus aureus. Antitumor activity in cancer cell lines (humulene generates reactive oxygen species selectively in cancer cells while sparing healthy cells). Antiallergic effects through histamine modulation. Antinociceptive (pain-relieving) effects through inflammatory pathway modulation. Strains naturally containing humulene: White Widow (0.3-0.6% humulene), Headband (0.2-0.5%), Skywalker OG (0.2-0.4%), Sour Diesel (0.2-0.5%), GSC (0.2-0.4%), Original Glue (0.3-0.5%), Death Star (0.3-0.6%). Humulene is rarely the dominant terpene in cannabis but contributes meaningfully to flavor complexity and the entourage effect. The combination of high humulene + caryophyllene + myrcene creates the classic "kush" terpene profile — earthy, peppery, hoppy notes with strong physical relaxation effects. Humulene evaporates at 388°F, well-preserved at standard vaporization temperatures. The historical confusion between humulene and caryophyllene (both originally called "caryophyllene" in early cannabis literature) has been resolved through modern gas chromatography testing. Lab certificates report them separately, and the two terpenes have meaningfully different therapeutic profiles despite their chemical similarity.