γ-ノナノラクトン 化学特性,用途語,生産方法
外観
無色～わずかにうすい黄色、液体
定義
本品は、次の化学式で表されるラクトンである。
化粧品の成分用途
皮膚コンディショニング剤、香料
説明
γ-Nonalactone has a strong odor reminiscent of coconut and a fatty, peculiar taste. May be synthesized by reacting methylacry- late and hexanol in the presence of ditertiarybutyl peroxide; by condensation of undecylenic acid and malonic acid; by lactonizα- tion of nonenoic acid.
化学的特性
gamma-Nonanolactone occurs in many foods
and is a pale yellow liquidwith a coconut-like aroma. It has numerous applications,
similarly to those of ??-octalactone, in aroma compositions and perfumery.
天然物の起源
Reported found in peaches, apricots, roasted barely, rum, tomato, currants, guava, raisin, papaya, peach,
pineapple, blackberry, strawberry jam, asparagus, wheat and crispbread, Camembert cheese, butter, milk, chicken, beef, lamb and
pork fat, cooked beef and pork, beer, cognac, whiskies, sherry, grape wines, cocoa, green tea, pecan, oats, soybean, avocado, passion
fruit, plum, plumcot, beans, mushroom, starfruit, fenugreek, mango, tamarind, rice, prickly pear, buckwheat, licorice, malt, wort,
cherimoya, Bourbon vanilla, shrimp, nectarine, maté and sweet grass oil.
使用
(Gamma)-Nonalactone is a synthetic flavoring agent that is a colorless to yellow liquid of strong, coconut-like odor. It is soluble in most fixed oils, mineral oil, and propylene glycol. It is stable in acids and unstable in alkali and should be stored in glass, tin, or aluminum containers. It is used in coconut flavors and has application in gelatins, puddings, baked goods, candy, and ice cream at 11–55 ppm. It is also termed aldehyde c-18.
製造方法
By reacting methylacrylate and hexanol in the presence of ditertiarybutyl peroxide; by condensation of undecylenic acid
and malonic acid by lactonization of nonenoic acid
一般的な説明
γ-Nonanoic lactone is an oak lactone commonly found in wines aged in oak barrels. It is the main flavor component of coconut. γ-Nonanoic lactone is also a potential multi-species attractant lure for grain beetle pests.
安全性プロファイル
Moderately toxic by
ingestion. A skin irritant. Mutation data
reported. Combustible liquid. When heated
to decomposition it emits acrid smoke and
irritating fumes. See also ALDEHYDES.
γ-ノナノラクトン 上流と下流の製品情報
原材料
準備製品