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C₁₅H₂₄ BP: 106°C (222°F) 0.05–0.5% in cannabis

Humulene

Hops' signature terpene — appetite-suppressing, anti-inflammatory, and antibacterial.

Humulene is the primary terpene in hops (Humulus lupulus) and gives beer its characteristic hoppy aroma. In cannabis, it is notable for being one of the few terpenes associated with appetite suppression rather than stimulation — making it relevant for weight management. It also demonstrates potent anti-inflammatory and antibacterial properties.

Aroma Profile

HoppyEarthyWoodySpicy

Primary Effects

Anti-inflammatoryAppetite SuppressionAntibacterialAnalgesic

Also Found In

Hops, Coriander, Cloves, Basil

Mechanisms of Action

PGE2 Synthesis Inhibition

Inhibits prostaglandin E2 synthesis, reducing inflammation and pain through a COX-independent pathway.

Apoptosis Induction

Induces apoptosis in cancer cell lines via mitochondrial pathway, with synergistic effects when combined with chemotherapy agents.

Appetite Modulation

May partially antagonize CB1 receptors, counteracting the appetite-stimulating effects of THC. Mechanism requires further characterization.

Role in the Entourage Effect

Humulene often co-occurs with caryophyllene and contributes to the anti-inflammatory profile of many cannabis strains. The combination of humulene + caryophyllene is associated with the strongest anti-inflammatory effects in the terpene literature.

Medical Applications

Inflammation

Moderate Evidence

Inhibits PGE2 synthesis and reduces inflammatory markers. Comparable to some NSAIDs in preclinical models.

Condition guide

Cancer (adjunct)

Preliminary Evidence

Induces apoptosis in cancer cell lines and demonstrates synergy with chemotherapy agents in preclinical models.

Condition guide

Obesity / Appetite

Preliminary Evidence

One of the few terpenes associated with appetite suppression. Mechanism not fully characterized but may involve CB1 partial antagonism.

Condition guide

Key Research

Preclinical2007European Journal of Pharmacology

Anti-inflammatory and analgesic effects of humulene

Humulene reduced carrageenan-induced paw edema by 32% and demonstrated analgesic effects comparable to indomethacin in rodent models.

In Vitro2019Phytotherapy Research

Humulene induces apoptosis in cancer cells

Humulene induced apoptosis in HeLa and MCF-7 cancer cell lines with IC50 values of 28 and 35 μM respectively, with minimal toxicity to normal cells.

Top Strains

Girl Scout Cookies

Hybrid

0.2–0.5%

Headband

Hybrid

0.3–0.7%

Skywalker OG

Indica

0.2–0.6%

White Widow

Hybrid

0.1–0.4%

Sour Diesel

Sativa

0.1–0.3%

Safety & Considerations

GRAS status. Safe at cannabis concentrations. No significant drug interactions documented.

All terpene information is for educational purposes only. Consult a healthcare provider before using cannabis therapeutically.

Frequently Asked Questions