Chemistry of Essential Oils

LABIATE 235 had received only farmyard manure, and nearly treble that from land which was not manured at all. It is interesting ...

236 THE CHEMISTEY OF ESSENTIAL OILS enriched by the addition of Japanese menthol, which is usually cheaper than American oil. Ca ...

LABIATE 237 1 2 3 4 Specific Gravity. 0-917 0-918 0-921 0-927 Rotation. + 17° 30' + 28° 30' + 46° + 55° Refractive Index. 1-5030 ...

238 THE CHEMISTEY OF ESSENTIAL OILS Specific gravity. Optical rotation. Refractive index Carvone Specific gravity 0 Optical rota ...

LABIATE 239 time of harvest, drying, and freezing of spearmint, on the yield and odorous constituents of the oil. He gives the f ...

240 THE CHEMISTKY OF ESSENTIAL OILS' OIL OF MENTHA SILVESTRIS. The dry herb, Mentha silvestris, yields about 1 per cent, of esse ...

LABIATE 341 the portion of the oil coming over below 215° C. is set aside. The next fraction coming over between 215° and 240° C ...

242 THE CHEMISTBY OF ESSENTIAL OILS Sample No. 1 was examined by Brandel, 1 the remainder by Schim- mel & Co. 2 Neither thym ...

LABIATE 243 "belongs to the variety eriantha. The Bussian oil is stated to be derived from the Mentha micrantha." It has the fol ...

244 THE CHEMISTBY OF ESSENTIAL OILS OIL OF THYME. French oil of thyme, which is the most esteeme 1 variety of the oil known, is ...

LABIATE 245 No. 1 was distilled from English thyme grown from Sutton's seeds. No. 2 was distilled from English thyme grown from ...

246 THE CHEMISTKY OF ESSENTIAL OILS grm. of thymol. Knowing the quantity of thymol in the alkaline solu- tion, the percentage in ...

LABIATE 247 The oil has the following composition :— d-a-pinene Cineol Phenols. Ketones. Esters Free alcohols 7 to 8 per cent. 6 ...

248 THE CHEMISTRY OF ESSENTIAL OILS service for identifying the plant unless the name of the botanical authority follows the nam ...

LABIATE 249 cent.; terpene alcohols, boiling-point 100° to 125° C., about 3'5 per cent.; and a residue boiling above 125° C. The ...

250 THE CHEMISTEY OF ESSENTIAL OILS A Greek origanum oill of unknown botanical origin has been found to have the following chara ...

LABIATE 251 Its introduction into Europe is accounted for by a writer in the Gardener's Chronicle l by the fact that a few years ...

252 THE CHEMISTEY OF ESSENTIAL OILS Gibbs,^1 and the genuine patchouli, as its var. suavis, and it was not until 1896 2 that it ...

0-955 - 44° 1-5065 0 1-5 to 0'980 »» *" „ 1 „ 1 5„^8 • 62° -5130 LABIATE 253 a result he came to the conclusion that the best re ...

254 THE CHEM1STKY OF ESSENTIAL OILS Lehmannl has drawn attention to the fact that oils of recent distilla- tion have frequently ...