Limonene

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Limonene

Limonene (pronounced /ˈlɪməˌniːn/) is a colorless liquid hydrocarbon classified as a cyclic monoterpene, and is the major component in the oil of citrus fruit peels. The D-isomer, occurring more commonly in nature as the fragrance of oranges, is a flavoring agent in food manufacturing.

Etymology

The term "limonene" is derived from Limon, the French word for lemon, as the compound was first isolated from lemon oil.

Structure and Reactivity

Limonene takes its name from the lemon, as the rind of the lemon, like other citrus fruits, contains considerable amounts of this compound, which contributes to their odor. Limonene is a molecule with the molecular formula C10H16. It is classified as a cyclic monoterpene, referring to the fact that it contains two isoprene units.

Related Terms

  • Monoterpene: Monoterpenes are a class of terpenes that consist of two isoprene units and have the molecular formula C10H16. Limonene is a member of this class.
  • Terpene: Terpenes are a large and diverse class of organic compounds, produced by a variety of plants, particularly conifers, and by some insects. They often have a strong odor and may protect the plants that produce them.
  • Isoprene: Isoprene is a common organic compound with the formula CH2=C(CH3)−CH=CH2. In its pure form it is a colorless volatile liquid.

See Also

External links

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