limonene
lim·o·nene
L0175900 (lĭm′ə-nēn′)limonene
(ˈlɪməˌniːn)Noun | 1. | limonene - a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils |
单词 | limonene | |||
释义 | limonenelim·o·neneL0175900 (lĭm′ə-nēn′)limonene(ˈlɪməˌniːn)
Limonenelimonene[′lim·nə‚lēn]Limonene1-methy1–4-isopropenylcyclohexene-1, a terpene hydrocarbon; colorless liquid with a lemony odor. Oxidizes readily in air. Boiling point, 176°C; density, 0.8411 g/cm3 at 20°C. Limonene exists in two optically active (+) and (-) forms, as well as a (±)-form (racemic mixture) commonly called dipentene. Limonene is a component of many essential oils. For example, citrus oils contain mainly (+)-limonene (approximately 90 percent), which may be extracted by rectification processes. Dipentene is also found in turpentine. Limonene is used as an odoriferous substance in perfume and cosmetics manufacture. limonenelimoneneOncologyA cyclic monoterpene found in the oil of citrus fruits, which is thought to have anticarcinogenic properties and is in clinical trials as a therapy for advanced cancer. limonene(līm′ō-nēn)limonene
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