Chemistry of Essential Oils

LABIAT-ZE 255 and had a specific gravity O9335 and an optical rotation - 58° 45'. This latter fraction yielded a sesquiterpene o ...

256 THE CHEMISTEY OF ESSENTIAL OILS The oil distilled in Dalmatia and in Germany is of typically sage- odour and is used for fla ...

LABIATE 257 1. 2. Specific gravity 0-9263 0'926 Optical rotation - 6° 31' - 22° 23' Saponification value 13*9 8 „ (after acetyla ...

258 THE CHEMISTRY OF ESSENTIAL OIL3 He found in it from 30 to 40 per cent, of carvacrol, and traces of another phenol. Two hydro ...

LABIATE 259 The estimation of the pulegone, carried out by means of neutral sodium sulphite, shows 20 per cent, of this ketone. ...

260 THE CHEMISTEY OF ESSENTIAL OILS The var. thyrsiflorum Benth. is known as the common white basil. The var. album Benth. (Ocim ...

LABIATE 261 It is soluble in 8. volumes of 80 per cent, alcohol, sometimes with slight turbidity. Two samples of Mayotte oil exa ...

262 THE CHBMISTEY OF ESSENTIAL OILS A sample of oil from Ocimum gratissimum distilled in the Seychelles l had a specific gravity ...

LABIATE 263 Specific gravity Refractive index. Optical rotation Ester value. Thymol 0*9154 1-4996 + 1° 4-5 50 per cent. He ident ...

264 THE CHEMISTEY OF ESSENTIAL OILS. PERILLA OILS. The leaves of Perilla arguta, known in Japan as Shiso, yield an essential oil ...

LABIATE 265 WD20O 1*48315; not soluble in 10 volumes 70 per cent, alcohol; soluble in about 8 volumes and more 80 per cent, alco ...

266 THE CHEMISTEY OF ESSENTIAL OILS It has the formula C 10 H 14 O 2 , and forms a semicarbazone melting at 171° and an oxime me ...

Below 175° 0. Between 175° „ 180° 190 ° „ 200° „ 210° „ 220° Above 280°. and 180". „ 190°. „ 200°. „ 210°. „ 220°. „ 230°. LABIA ...

268 THE CHBMISTEY OF ESSENTIAL OILS It contains 22 per cent, of menthol of which about 3 per cent, is present in the form of est ...

LABIAT^B 269 tion in the condensing worm, while from No. 2 it had been partly extracted by freezing out. OIL OF COLEUS AMBOINICU ...

(^270) THE CHEMISTEY OF ESSENTIAL OILS named, the oil contains geraniol, dipentene, one or more terpenes not identified, and a k ...

VEKBENACEJE 271 The so-called Spanish verbena oil is derived from a Labiate plant. The yield of oil from the leaves varies from ...

272 THE CHEMISTRY OF ESSENTIAL OILS From Dried From Fresh From Flowers. Flowers. Leaves. Specific gravity.. 0-915 afc 26° — 0-92 ...

KUBIACE^E 273 Since the odour of the essential oil does not pre-exist, it may be in- ferred that in this root two substances are ...

274 THE CHEMISTRY OF ESSENTIAL OILS OIL OF NUANUA LEAVES. This oil is distilled from the leaves of one of the Nelitris species, ...