Elemi gum nonvolatiles are aromatic compounds derived from the oleoresin of the elemi tree (Canarium luzonicum).

Elemi is a large evergreen species endemic to the Philippines, and is in the same family (Burseraceae) as frankincense and myrrh. Trees grow in lowland rainforests to around 30 meters tall, bearing small fruit that contain edible almond-like nuts. Elemi trees produce a yellow oleoresin (naturally occuring mixture of plant resin and oil), which has a honey-like consistency and balsamic aroma. The oleoresin can be harvested by tapping incisions made in the bark, similar to rubber tapping, without causing damage to the forest. Well-cared-for mature trees can produce up to 5kg of oleoresin per year. In the Philippines, traditional use of elemi oleoresin includes in herbal medicine, religious incense, and for caulking boats. Contemporary industrial use includes some varnishes, lacquers and inks.

Elemi oleoresin can be steam distilled to separate out the essential oil, leaving the gum non-volatiles behind, which have a spicy-citrus aroma and can be used as a masking ingredient in the creation of fragrances.

Botanical name: Canarium luzonicum

Other names: Elemi Gum Nonvolatiles, Elemi Resin, Manila Elemi

Main constituents: alpha-Amyrin, beta-Amyrin