What Is Myrcene? The Earthy Terpene in Weed, Mango and Hops

Myrcene is a terpene, an aromatic compound, that gives plants an earthy, musky, slightly fruity smell, and it's one of the most common terpenes in cannabis. You'll also find it in plenty of other plants, including mango, hops, lemongrass, cardamom, oregano and thyme. Research suggests it may have relaxing, pain-relieving and anti-inflammatory effects, which is why it's often linked to the mellow, body-heavy side of weed.

Knowing what myrcene is and where it shows up gives you a better sense of how it may affect health and well-being, and why it's used in everything from herbal medicine to perfume and beyond.

Myrcene benefits and uses

Myrcene, a terpene found in many plants including cannabis, has a broad set of properties that make it stand out in herbal medicine and aromatherapy. Studies and research point to:

1. Pain relief and relaxation:
   Myrcene has shown analgesic (pain-relieving) effects in studies, mainly in animals. It's also considered relaxing and sedating, which makes it a valuable compound for easing anxiety and helping muscles unwind.
2. Anti-inflammatory properties:
   Research suggests myrcene has anti-inflammatory properties because it interferes with prostaglandin signaling; prostaglandins are compounds that play a key role in the body's inflammatory response. That makes it a potential ally for inflammatory conditions.
3. Better cannabinoid absorption?
   One of the most repeated claims about myrcene is that it makes the blood-brain barrier more permeable, helping cannabinoids like THC and CBD reach the brain. If that holds up, myrcene could amplify cannabinoid effects and be a key player in the teamwork between terpenes and cannabinoids, though the evidence is still thin.

As a common terpene in many cannabis strains, myrcene shapes both the aroma and the therapeutic profile of the plant, which makes it a big deal for medical and recreational users alike.

Myrcene's chemical structure and properties

Myrcene is a monoterpene found in many plants, cannabis included, and its distinctive chemical structure shapes its properties.

Chemical makeup

Myrcene is built from two isoprene units, which adds up to 10 carbon atoms in its molecular structure (its formula is C10H16). That makeup gives it the traits that make it such a versatile and valuable terpene in nature.

Physical properties and boiling point

Myrcene is volatile and boils at roughly 166 °C (331 °F). In its natural state it's an oily, yellowish liquid. It doesn't dissolve in water, which makes it ideal for use in extracts and essential oils.

Where is myrcene found in the cannabis plant?

In cannabis, myrcene is concentrated in the glandular trichomes, the tiny resin glands that produce and store the plant's aromatic and therapeutic compounds. Like other terpenes, it helps protect the plant from outside threats and plays a role in regulating metabolic processes.

What does myrcene smell and taste like?

Myrcene delivers signature aromas and flavors that run from musky and earthy to citrusy, with hints of tropical fruit. It shows up in a range of plants and fruits, including lemongrass, hops, mango, cardamom, oregano, thyme and, of course, Cannabis sativa L.

Myrcene effects in cannabis: what it may do

Myrcene is present in lots of cannabis strains and brings a set of effects and benefits that matter for both recreational and medical use. Looking at its properties and how it interacts with other compounds helps explain what it does in the body.

Relaxing and sedating effects

At significant concentrations, myrcene is thought to have relaxing, sedating effects. That's why it's usually associated with indica strains, known for their calming high. It also shows up in sativas, though, where it interacts with other terpenes and cannabinoids and can end up producing quite different effects.

Synergy with cannabinoids

When myrcene works together with cannabinoids like THC or CBD, it's thought to contribute to the entourage effect: the idea that the plant's compounds work better as a team than they would on their own. Some also claim myrcene helps cannabinoids get absorbed and reach their receptors, which could make them more effective in the body.

Increased cell permeability

Some studies suggest myrcene makes cell membranes more permeable, which could matter in a few ways. For one, it might strengthen THC's interaction with the CB1 receptor, potentially intensifying the high.

If so, that could appeal both to recreational users looking for a more intense experience and to medical patients who need more symptom relief.

Myrcene and couch-lock

Steep Hill Labs, a California cannabis testing company, reported a link between myrcene content and the type of high: strains with more than 0.5% myrcene tended to feel more "indica," while lower levels were associated with a more "sativa" high. It's a widely cited rule of thumb, but it hasn't been confirmed in peer-reviewed research.

Bottom line: myrcene plays a big part in the overall cannabis experience, both physical and mental. Its possible knack for boosting other compounds makes it worth keeping an eye on when you pick a strain for a specific purpose.