Chemistry of Essential Oils

EUTACE^l 435 Bigarade (Bitter). «'Portugal" (Sweet). Specific gravity. 0*871 0'857 Optical rotation Acid value Ester value Methy ...

436 THE CHEMISTKY OF ESSENTIAL OILS the extraction of the fresh flowers with petroleum, and extracting the petroleum extract wit ...

EUTACE^ 437 Specific gravity 0-888 to 0-897 Optical rotation - 1° to - 8° Eaters 50 to 70 per cent. Schimmel & Co. 1 give th ...

438 THE CHEMISTEY OF ESSENTIAL OILS Lime " petit-grain " oil has the following characters :— Specific gravity 0'875 to 0878 Opti ...

KUTACB^ 439 (1) Two hours' saponification ....... 124 (2) One hour's „ 101'5 Difference 23 5 A large quantity of the oil was th ...

440 THE CHEMISTRY OF ESSENTIAL OILS harvest lasting from September to January. The oil is really a by- product obtained by disti ...

FIG. 45.—Manufacture of the oil of Bergamot in Calabria. [Rour e Bertrand Fits, ...

442 THE CHEMISTBY OF ESSENTIAL OILS moisture or drought, too much sun, mist, or early autumnal rains will sometimes change the w ...

FIG, 46.—Filtering apparatus for the oil of Bergamot. \Ro\ire-Bertrand Fils. ...

444 THE CHEMISTEY OF ESSENTIAL OILS Citric acid can also be detected by precipitating as calcium citrate. This test is carried o ...

EUTACE^ 445 Oil. Bergamot (1) Bergamot (2) with 5 per Cent. Terpinyl Acetate .... with 10 per Cent. Terpinyl Acetate .... 20 c.c ...

Fraction. to 40° 40 „ 50° 50 „ 68° 68 „ 72° 5. 72 „ 78° 78 „ 82° 7. 82 „ 88° 8. 88 „ 91° 9. Residue Per Cent. 2 38-8 u J 12-1 ...

i Specific Gravity ...... i Optical Rotation Refractive Index at 20 ° .... '• Apparent Esters as Linalyl Acetate. Fixed Residue. ...

448 THE CHEMISTEY OF ESSENTIAL OILS and a distillation value of 92*8, and one containing 5 per cent, of ethyl succinate gave a d ...

EUTACE^ 449 in many cases not absolutely essential, is desirable on account of the fact that sulphuric acid is liable to become ...

450 THE CHBMISTEY OF ESSENTIAL OILS of carbon dioxide-free water, being neutralised by means of semi-normal sulphuric acid. This ...

EUTACB^E 451 1. 2. Specific gravity 0 845 0'860 Refractive index 1-4750 1-4785 Optical rotation + 72-5° + 78-5° The constituents ...

452 THE CHEMISTRY OF ESSENTIAL OILS melting at 180° to 184° free palmitic acid was detected. Geraniol was found in the oil, but ...

RUTACEvE 453 Fraction 1, at atmospheric pressure, boiled at 175° to 176° and yielded with bromine a tetrabromide melting at 125° ...

454 THE CHEMISTBY OF ESSENTIAL OILS The oil contains methyl-eugenol and a crystalline paraffin melting at 80* to 81°. OIL OF BOE ...