A volatile oil distilled from the fresh flowers of Lavandula officinalis Chaix (nat. ord. Labiatae).

Habitat

Southern Europe; cultivated.

Characters

A colorless or yellowish liquid, having the fragrant odor of Lavender Flowers, and a pungent and bitter taste. Sp. gr., 0.885 to 0.897.

Solubility

In all proportions in Alcohol.

Composition

The chief constituents are - (1) Linalool Acetate (also found in Oil of Bergamot). (2) Linalool, C10H18O, which is an alcohol and an oxidation product of the terpene, Myrcene, C10H16. It is isomeric with Bomeol (see p. 53°), Geraniol (q. v.) and Menthol {see p. 547). (3) Cineol, also found in Oil of Eucalyptus {see p. 528) and other volatile oils.

Impurity. -Oil of Spike.

Oil of Lavender Flowers is contained in Linimentum Saponis Mollis, Spiritus Ammoniae Aromaticus, and Unguentum Diachylon.

Dose, 1 to 5 m.; .06 to .30 c.c.

Preparations

1. Spiritus Lavandulae. - Spirit of Lavender. Oil of Lavender Flowers, 50; Deodorized Alcohol, 950. Dose, 1/2 to 1 fl. dr.; 2. to 4. c.c.

2. Tinctura Lavandulae Composita. - Compound Tincture of Lavender. Synonym. - Compound Spirit of Lavender. Oil of Lavender Flowers, 8; Oil of Rosemary, 2; Cassia Cinnamon, 20; Cloves, 5; Nutmeg, 10; Red Saunders, 10; Alcohol, 700; Water, 250; diluted Alcohol to 1000. By mixing and percolation.

Compound Tincture of Lavender is contained in Liquor Potassii Arsenitis.

Dose, 1/2 to 1 fl. dr.; a. to 4. c.c.

Action And Therapeutics Of Oil Of Lavender Flowers

Oil of lavender flowers has the same action as other aromatic volatile oils. It is used externally as a pleasant stimulating component of liniments, and most red lotions (see p. 178) are colored with the compound tincture. This given internally makes a very agreeable gastric stimulant, and carminative agent.