Δ-3-Carene – PatientsCann UK Skip to main content Back to Terpenes Guide Δ-3-Carene Delta-3-Carene, 3-Carene pronounced: KAIR-een A sweet, piney, citrus scent from pine and cedar trees. Studied for calming and for excess fluid. Monoterpene Boiling point: 169°C Terpene type Monoterpene Boiling point 169°C Primary aroma Piney Key effect Calming Aroma profile How it Smells The aroma of Δ-3-Carene is described as: PineySweetCitrusCedarEarthy Found naturally in: Pine, cedar, rosemary, basil, bell pepper, cypress Effects Linked Effects CalmingBone supportDries excess fluid These effects are based on early-stage research in animals and cells. They are not proven in humans. Do not change your treatment based on this information. About What is Δ-3-Carene? Delta-3-carene is a terpene with a sweet, piney smell and a hint of citrus and damp earth. It is found in pine and cedar trees, in rosemary and basil, and even in bell peppers. It is a light monoterpene, so its fresh, resinous scent lifts off quickly. In cannabis it adds to that classic forest-like smell that many people enjoy. Effects in detail What the Research Says In animal studies, delta-3-carene has shown a calming, sedative-like quality (Nuutinen, 2018). Researchers have also explored whether it may help dry up extra fluid in the body, and some early work has looked at its possible role in bone health. These are early laboratory findings. One thing to note is that, in large amounts, carene can be drying and may irritate the eyes or throat, which is why balance matters. Everyday sources Where You Find it in Daily Life You will find delta-3-carene in pine and cedar forests, in fresh rosemary and basil, in cypress, and in sweet bell peppers. Pine and cedarwood essential oils are rich in it. Its piney, woody smell makes it popular in cleaning products and air fresheners that aim for a fresh-forest scent. Research Key Studies The review by Nuutinen (2018) summarised the laboratory evidence on delta-3-carene, including its calming effect in animal tests and early interest in bone health. Its chemical make-up is listed in public databases (National Center for Biotechnology Information, 2025). As with other terpenes, careful human research is still needed. PreviousLimonene Nextα-Terpinene Back to full Terpenes Guide Important: The information on this page is for education only. It is not medical advice. Terpene research is still in its early stages. Many studies have been done in animals, not yet in people. Always speak to your doctor before changing your treatment. PatientsCann UK does not recommend any specific cannabis product. References Nuutinen, T. (2018) ‘Medicinal properties of terpenes found in Cannabis sativa and Humulus lupulus’, European Journal of Medicinal Chemistry, 157, pp. 198-228. doi: 10.1016/j.ejmech.2018.07.076. Booth, J.K. and Bohlmann, J. (2019) ‘Terpenes in Cannabis sativa: from plant genome to humans’, Plant Science, 284, pp. 67-72. doi: 10.1016/j.plantsci.2019.03.022. National Center for Biotechnology Information (2025) PubChem Compound Database. Bethesda: U.S. National Library of Medicine. Available at: https://pubchem.ncbi.nlm.nih.gov (Accessed: 11 June 2026). Russo, E.B. (2011) ‘Taming THC: potential cannabis synergy and phytocannabinoid-terpenoid entourage effects’, British Journal of Pharmacology, 163(7), pp. 1344-1364. doi: 10.1111/j.1476-5381.2011.01238.x. Cicada Jersey (2020) Terpene Wheel. Available at: https://cicada.je/terpene-wheel/ (Accessed: 11 June 2026).
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