Chemistry of Essential Oils

EUTACE^E 415 The ecuelle process, which is employed in the North of Italy and the (^1) 3outh of France, depends on the prelimina ...

416 THE CHEMISTEY OF ESSENTIAL OILS ing towards the engine is embedded in such a manner that steam fronp the boiler may be admit ...

BUTACE.E 417 what in their odour, etc., so that a trained nose can discriminate between them. The table on opposite page, coveri ...

418 THE CHEMISTEY OF ESSENTIAL OILS Analysis agreed with the formula C 8 H]6 or C 8 H 18. It is probably octy- lene. Pinene appe ...

EUTACE^E 419 During the latter part of June and the month of July in some seasons, a number of samples of undoubted authenticity ...

120 THE CHEMISTEY OF ESSENTIAL OILS determination of the citral-content. A great many methods have been suggested for this, most ...

BUTACEJE 421 of aldehyde present. The determination is carried out by comparison with solutions of citral of known strength. The ...

422 THE CHEMISTKY OF ESSENTIAL OILS Solution of Oil of Lemon.—Weigh from 1 to 2 grms. of the oil and dilute to 50 c.c. with 50 p ...

EUTACE.E^423 duced after a further addition of SO 2. The oil is then measured by add- ing sufficient sulphite solution to drive ...

424 THE CHEMISTEY OF ESSENTIAL OILS liquor again placed in the freezing mixture for fifteen to twenty minutes, and the crystals ...

EUTACB^L. 425 ventage of terpenes and sesquiterpenes in the original oil is calculated. For purposes of further identification t ...

426 THE CHEMISTRY OF ESSENTIAL OILS fruits having a rougher rind, covered with oil vessels, and containing; an acid and very bit ...

EUTACE^S 427 orange commonly found in the Manila market is a green, loose-skinned orange of the mandarin orange type. From the p ...

428 THE CHEMISTEY OF ESSENTIAL OILS The principal constituent of this oil is d-limonene. Dipentene is also present. Methyl anthr ...

o FIG. 40.—Gathering orange flowers at Bar-sur-Goup, near Grasse. [Roure Bertrond ...

(^430) THE CHEMISTRY OF ESSENTIAL OILS ...

EUTACEiE French neroli oil usually has the following characters:— Bigarade Oil. 431 Specific Gravity. Optical Rotation Kefractiv ...

432 THE CHEMISTEY OF ESSENTIAL OILS These limits, however, are from time to time found to be too narrow, some Bigarade oils bein ...

EUTACE^E 433 Koure-Bertrand Filsl state that certain constituents of neroli oil are destroyed by steam distillation in the ordin ...

434 THE CHEMISTRY OF ESSENTIAL OILS (b) Soluble Essential Oils. Density at 15° C Index of Refraction nd 15 Rotatory Power (1 = 1 ...