Compound Monograph
Terpinolene
Terpinolene is a monoterpene with a fresh, piney-floral aroma found in marjoram, conifers and many essential oils.
Sources · 8
Where Does It Come From?
Terpinolene is a naturally occurring monoterpene, found in Marjoram, Conifers, citrus and tea tree and 6 other sources. It is well tolerated orally (low toxicity).
Principal source Marjoram Origanum majorana Herb monograph → 
Source Angelica Angelica archangelica Herb monograph → 
Source Cannabis Cannabis sativa Herb monograph → 
Source Chir Pine Pinus roxburghii Herb monograph →
Photo coming soon
Source Korean Red Pine Pinus densiflora Herb monograph → 
Source Mugo Pine Pinus mugo Herb monograph → 
Source Pine Pinus sylvestris Herb monograph → Concentration
Content by Source
Concentrations not reported. No percent-dry-weight or mg/g figures have been published for this compound in its source plants.
Research & Evidence
Terpinolene is a monoterpene that contributes a fresh, sweetly piney and floral note to the aroma of many plants, including marjoram, conifers and tea tree. It is widely used as a fragrance ingredient and has been examined in the laboratory for antioxidant and antimicrobial activity.
Toxicity & Safety
Terpinolene is generally regarded as low in toxicity at the levels used in foods and fragrances. Like other monoterpenes it can oxidize on exposure to air, and the oxidation products may be more irritating to the skin.
