Limonene

**Definition:** A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature. Limonene is the major component in the oil of oranges which has many uses, including as flavor and fragrance. It is recognized as safe in food by the Food and Drug Administration (FDA).

**Tree numbers:** - D02.455.426.392.368.367.211.500 - D02.455.426.392.368.367.379.437 - D02.455.849.575.157.250

**Synonyms:** - 1-Methyl-4-(1-methylethenyl)cyclohexene - Dipentene - 4-Mentha-1,8-diene - Limonene, (+-)-