Myrrh Oil

Описание

Refer to MYRRH, GUM.

Химические свойства

Myrrh oil is obtained from the gum by steam distillation; it is a light brown or green liquid with the characteristic odor of the gum.
d²⁵₂₅ 0.995–1.014; n²⁰_D 1.5190–1.5275; α²⁰_D ?83 ° to ?60 °; acid number: 2–13; saponification number: 9–35; solubility: 1 vol in 7–10 vol of 90% ethanol; solutions are occasionally opalescent or turbid.
Typical aroma-determining compounds of themyrrh plant are furanosesquiterpenoids such as (?)-lindestrene. Myrrh oil and myrrh resinoids are used in perfume compositions to create oriental notes.Myrrh extract and Myrrh tincture are also utilized in oral care and corresponding preparations.

Физические свойства

The oil is a light-brown to green liquid. It is soluble in most fixed oils, but is only slightly soluble in mineral oil. It is insoluble in glycerin and in propylene glycol. Under the influence of air and light, the oil becomes darker in color and more viscous

Вхождение

Found in several species of gum-resin Commiphora (fam. Burseraceae), mainly C. myrrha, C. abyssinica and C. schiniperi.

Использование

Myrrh traditionally has been used internally to treat upper respiratory congestion, pharyngitis, gingivitis, mouth ulcers, stomatitis, leprosy, syphilis, and leg ulcers. Topically, it is used to treat wounds, decubitus ulcers, and hemorrhoids. Contemporary use is mostly limited to fl avoring in foods and fragrance in cosmetic products.

Подготовка

By steam distillation of the gum.

Cостав эфирных масел

Main constituents include d-pinene, dipentene, limonene, cinnamaldehyde, cuminaldehyde, eugenol, m-cresol, sesquiterpenes and formic and acetic acids.