Lavender oil

Definition and stakes

William Thomas Fernie,  Herbal Simples Approved for Modern Uses of Cure

“ Lavender oil is likewise of service when rubbed in externally, for stimulating paralysed limbs—preferring the sort distilled from the flowering tops to that which is obtained from the stalks. Internally, the essential oil, or a spirit of Lavender made therefrom, proves admirably restorative and tonic against faintness, palpitations of a nervous sort, weak giddiness, spasms, and colic. It is agreeable to the taste and smell, provokes appetite, raises the spirits, and dispels flatulence; but the infusion of Lavender tops, if taken too freely, will cause griping, and colic. ”
Source: Gutenberg

C. Deite,  A Practical Treatise on the Manufacture of Perfumery

“ The best French lavender oil, distilled from pure flowers only, is brought into commerce under the name, "Essence de Lavande Montblanc." It is distinguished from all other kinds, in the preparation of which more or less stems and leaves are used, by its extremely agreeable odor.
Lavender is also extensively cultivated in Mitchan and Hitchin, England, and used for the preparation of an especially fine oil, the odor of which surpasses even that of the best French product. It is, however, comparatively expensive.
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Source: Gutenberg

C. Deite,  A Practical Treatise on the Manufacture of Perfumery

“ Oil of lavender is frequently adulterated, chiefly with alcohol, fat oils, oil of turpentine, and spike oil. To test the oil, mix a drop of it with 10 cubic centimeters of warm water, and test the odor, which should be pure and agreeably lavender-like. The taste of the vigorously agitated water should be transiently bitter aromatic. One volume of the oil should give a turbid mixture with one volume of dilute alcohol (specific gravity 0.895) , but a perfectly clear one with three volumes. ”
Source: Gutenberg

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