カヤプト油

化学的特性Cajeput oil (cajuput oil) is obtained by steam distillation of the leaves and flowers of Melaleuca cajuputi Powell (syn.Melaleuca minor Smith), an evergreen tree growing in Southeast Asia. Cajeput oil is a colorless to yellow-greenish liquid with a fresh camphoraceous odor. d2020 0.915–0.932; n20D 1.4660–1.4720; α20D 4°to 0°; 1.8-cineole content 50–65% (data for marketable qualities). 1.8-Cineole is by far the main constituent of cajeput oil; additional components are, for example,α-terpineol and a number of monoterpene and sesquiterpene hydrocarbons. Cajeput oil is produced mainly in Indonesia in a quantity of 300 t annually. It is mainly used in the domestic market in Indonesia for refreshing notes in soaps and detergents and in pharmaceutical preparations.

解説カヤプト油は，東インド，マレー半島，インドネシアに産するフトモモ科カヤプラ属に属する常緑高木の根茎から得られる精油。樟脳に似た強い香気のある無色液体。石鹸の香料や芳香剤，民間薬に用いられる。ブリタニカ国際大百科事典 小項目事典 ブリタニカ

使用cajeput oil (Melaleuca leucadendron) is healing, antiseptic, stimulating, and mildly counterirritant. It is used for acne and other skin problems, such as psoriasis and eczema. The principal constituent of this oil is cineol, at an average level of 45 to 55 percent. Also present is solid terpineol as well as valeric, butyric, and benzoic aldehydes. It is similar in odor to camphor and eucalyptus. Cajeput oil is extracted from the leaves and twigs of the cajeput tree.