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Terpinolene is a monocyclic monoterpene, derived from p-Menthane.

Molecular formula

C10 H16

Molar mass

136.23 g

Physical state



virtually insoluble in water


Terpinolene mainly occurs in parsnip oil (40-70%), but also in hemp and grapevine, in conifers, rosemary, and lilac, with a typically woody scent.

Medicinal properties

This substance may have antimicrobial properties and acts as an antioxidant. In addition, investigations are underway whether terpinolene has the potential to inhibit the proliferation of cancer cells.

antimicrobial antioxidative