(-)-リモネン 化学特性,用途語,生産方法
外観
無色～わずかにうすい黄色, 澄明の液体
溶解性
水に不溶, エタノール, アセトンに易溶。エタノール及びアセトンに溶けやすく、水にほとんど溶けない。
用途
香料原料。
用途
その炭化水素系の物質（ゴムやプラスチック）に対しての溶剤としての特性を活かした利用法が開拓されている。かつては洗剤の汚れ落とし成分に多用されてきたが、現在ではそれ単体あるいはスチレン樹脂を混合して、プラスチックモデル用の接着剤（通常塗布用と流し込み用）としての用途が広がっている。洗剤以外では汚れ落としやシールはがし用のスプレー等がある。また柑橘類系の芳香があるために香料としても利用されている。
説明
ι-Limonene has a pleasant, lemon-like odor free from camphora ceous and turpentine-like notes. The most important and wide spread terpene; it is known in the d- and ι- optically active forms
and in the optically inactive dl-form (known as dipentene); it has
been reported found in more than 300 essential oils in amounts
ranging from 90 - 95% (lemon, orange, mandarin) to as low as 1% (palmarosa);1 the most widespread form is the d-limonene,
followed by the racemic form, and then ι-limonene.
化学的特性
colourless liquid with lemon odour
天然物の起源
It has been reported found in more than 300 essential oils in amounts ranging from 90 to 95% (lemon, orange,
mandarin) to as low as 1% (palmarosa); the most widespread form is the d-limonene, followed by the racemic form and then l-limo nene. Also reported found in ginger, nutmeg, pepper, mace, hop oil, coriander seed, calamus, dill herb, caraway seed and rosemary.
使用
(S)-(-)-Limonene is used to inhibit the proliferation of colon cancer cells. It is also used in artificial essential oils in order to produce (+)-carvone. It is an active component of turpentine. Further, it is used in flavorings, fragrances, and cosmetics. It finds application as a solvent and wetting agent. In addition to this it is used to produce resins.
製造方法
d-Limonene may be obtained by steam distillation of citrus peels and pulp resulting from the production of juice and cold pressed oils, or from deterpenation of citrus oils; it is sometimes redistilled.
定義
ChEBI: An optically active form of limonene having (4S)-configuration.
一般的な説明
(
S)-(-)-Limonene, a monoterpenoid compound, is mostly used in perfumery and in flavoring. On irradiation, it undergoes radiolysis, which leads to a reduction in the optical purity. (
S)-(-)-Limonene also shows potent antimicrobial activity.
接触アレルゲン
Limonene is a racemic form of dand l-limonene.
d-Limonene is contained in Citrus species such as citrus,
orange, mandarin, and bergamot. l-Limonene is
contained in Pinus pinea.
安全性プロファイル
A skin irritant. When
heated to decomposition it emits acrid
smoke and irritating fumes.
(-)-リモネン 上流と下流の製品情報
原材料
準備製品