Vaporizes At: 348ºF (176ºC)
Potential Effects: Elevated mood, stress relief
Potential Medical Value: Treatment of anxiety, depression, inflammation, pain, and cancer
Also Found in: Fruit rinds, rosemary, juniper, peppermint
Limonene is the main terpene in citrus peels and is also found in rosemary, juniper, peppermint, and many pine needle oils. Strains high in Limonene promote a general uplift in mood. Limonene is highly absorbable through inhalation, and also assists in the absorption of other terpenes through the skin and mucous membranes. It prevents the deterioration of the RAS gene, one of the factors that contributes to the development of tumors. Limonene protects against Aspergillus and carcinogens present in smoke. Limonene can be used in spray form to treat depression and anxiety. It also has the effect of reducing the unpleasantness of gastric acid and stimulates the immune system. Plants use limonenes to ward off predators; for example, it repels flies like an insecticide. It is well documented that Limonene suppresses fungal and bacteria growth. Limonene is currently undergoing clinical trials in the treatment of cancer as well.