What are Terpenes? – A Guide to Cannabis

13th September 2019
By Emily Ledger

When reading about CBD and Hemp products, most people will have come across the terms ‘terpenes’ or ‘terpenoids’. You may have heard that terpenes can enhance the effects of the cannabinoids found in Cannabis plants. But what are they?

What are they?

Terpenes are naturally-occurring hydrocarbons, found in many plants. The terms ‘terpenes’ and ‘terpenoids’ are often used interchangeably. However, they are not technically the same thing. Terpenoids are actually the compounds formed when terpenes undergo some kind of chemical modification, such as drying or heating.

Functions of Terpenes?

These chemicals can give plants and their extracts a number of different properties. For many plants, terpenes are used as a defense mechanism, usually through their scent, which can repel herbivores. Tepenes can also attract parasites and predators of these herbivores.

In addition to protecting plants, terpenes have been found to have a number of medicinal and therapeutic properties. They are most likely the reason that humans have used plants in traditional and modern medicine for thousands of years.

So, what are the different terpenes, and what do they do?

Most Common Cannabis Terpenes

There are a number of terpenes found in the Cannabis plants. Different combinations of terpenes are a factor of the large variety of Cannabis ‘strains’.

α-Pinene

Given it’s name in honour of the pine needle, which this terpene is also found in, α-pinene is said to have a distinct pine aroma. α-Pinene is thought to induce alertness and memory retention, as well as potentially counteracting some effects of THC.

α-Pinene is sometimes thought to have potential as a treatment for asthma, pain, inflammation, anxiety and cancer.

This terpene is also found in rosemary, dill, basil, parsley and pine needles.

Limonene

Another terpene honoured with a familiar name. Limonene is found in citrus plants, and has a distinct citrussy smell – it is one of the most used fragrances in cosmetics. Limonene is thought to elevate mood and reduce stress.

Reported medical potential of this terpene include treatment for anxiety, depression, inflammation, cancer and pain.

Limonene is also found in fruit rinds (particularly citrus fruits), rosemary, juniper and peppermint.

Caryophyllene

This peppery terpene is described as having a spicy, woody aroma, similar to cloves and peppercorns. Caryophyllene is thought to have stress relief potential.

It has been found to have anti-anxiety and depression effects, as well as being a potential treatment for pain and ulcers.

Caryophyllene is also found in black pepper, cinnamon and cloves.

Myrcene

Myrcene is said to have a herbal and earthy smell, with noted of cloves and cardamom. This terpene has a relaxing and sedating effect.

It is thought to be an effective anti-oxidant, and have potential to treat insomnia, pain and inflammation.

Myrcene is also found in hops, thyme, mango and lemongrass.

Humulene

One of the primary terpenes also found in hops, Humilene has a hoppy and eathy aroma. It is thought to be an effective anti-inflammatory.

Humulene is also found in hops, cloves, basil and coriander.

Linalool

Linalool has an unmistakable floral scent, and is credited with mood enhancement and as a sedative.

This terpene is another thought to have potential medical value in the treatment of pain, insomnia, anxiety, depression and inflammation; as well as neuro-degeneration.

Linalool is also found in lavender.

Terpinolene

This terpene is found in a number of other plants, including lilacs. It is said to have a piney, floral and berby aroma. It also has a sedating effect.

Terpinolene is thought to battle fungus, bacteria and cancer and be an effective anti-oxidant and sedative.

It is also found in tea tree, lilacs, cumin, conifers and nutmeg.

Ocimene

Ocimene’s aroma is described as sweet and herbal, and it is found in a number of herbs.

It is said to have potential as an antiviral, antiseptic, anti fungal, antibacterial and decongestant.

Ocimene is also found in mint, basil, parsley, pepper, mango, orchids and kumquats.

 

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About the Author

Emily Ledger
Prior to joining the team at Canex, Emily studied Journalism at Sheffield Hallam University for three years. During her studies, she specialised in magazine and feature writing and went on to contribute to both the content and design departments at a local magazine. Emily is now the Head of Content at Canex where she has been both curating and contributing articles and content since the launch of the website.

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