LEMONGRASS OIL, WEST INDIAN TYPE

Химические свойства

West Indian or Guatemala lemongrass oil is obtained from Cymbopogon citratus (DC. ex Nees) Stapf in Central and South America. Guatemala produces ～50 t/yr. It is a pale yellow to orange-yellow liquid with a lemon-like odor, characteristic of citral.
d²⁰₂₀ 0.872–0.900; n²⁰_D 1.483–1.489; α²⁰_D ?6 ° to 0 °; content of carbonyl compounds (calculated as citral): min. 75%; citral content by GC: 31–40% neral and 40–50% geranial; solubility: freshly distilled oil is soluble in 70% ethanol at 20 ℃, but solubility diminishes on storage, and the oil may become insoluble in 90% ethanol.

Вхождение

Found in the grasses of Cymbopogon citratus (Stapf) and Andropogon nardus var. ceriferus

Использование

lemongrass oil (Cymbopogon citratus) is considered astringent and tonic, it has also exhibited anti-fungal properties. It is widely used in the perfume and soap industries. Lemongrass oil is the volatile oil distilled from the leaves of the lemon grasses.

Подготовка

By steam distillation of the freshly cut and partially dried grasses

Cостав эфирных масел

The main constituents include isovaleric aldehyde, furfural, myrcene, dipentene, methylheptenone, citronellal, various esters, linalool, geraniol, nerol and terpenes.

Общее описание

Lemongrass oil is a volatile oil with a fresh grassy lemon-like aroma. It is generally obtained from the lemongrass leaves. Lemongrass oil is usually composed of geranial up to 60%, neral up to 30%, geraniol up to 4%, limonene, and linalool.