Chemistry of Essential Oils

N. O. GEAMINE^ 75 hareb " grass. The material yielded 1*0 per cent, of a pale yellow oil, possessing a pleasant odour resembling ...

76 THE CHEMISTEY OF ESSENTIAL OILS On distillation, the first fractions passing over are much more volatile and lighter than tho ...

N. O. GEAMINE^E 77 ously containing the high boiling constituents left behind in the above- rectification. Vetivert oil distille ...

1. C 9 H 14 O 6-980 150° to 155° 2 CnH 18 O 1-020 174° to 176° 78 THE CHEMISTEY OF ESSENTIAL OILS -each successive investigator ...

N. 0. GRAMINE^ 79 dride. It therefore appears to be a primary alcohol. Vetivenol (tricyclic) yields an acetate, boiling-point 18 ...

80 THE CHEMISTRY OF ESSENTIAL OILS forests. Pearson^1 has found " Motia " generally growing on relatively bare, hot slopes, such ...

N. O. GEAMINE^ 81 Sinnar, and Kalwan Eanges of the Nasik District, and in the Dohad and Jhalod Eanges of the Panch Mahals. Dunba ...

82 THE CHBMISTEY OF ESSENTIAL OILS and further states that " Sofia" is often found in poorly-drained areas. " Motia " grass is r ...

O Q W ii fed 00 CO FIG. 13.—Modern steam distillation of palmarosa oil. [Indian Forest Records. E. S. Pearson, I.F.S. ...

84 THE CHEMISTBY OF ESSENTIAL OILS states that an earthern garrah was in use in the distillery visited by him. It is placed in " ...

N. O. GRAMINEJE 85 count of the crude methods of distillation used by the natives, wherein too little water is used in the still ...

86 THE CHEMISTEY OF ESSENTIAL OILS Carvone is also present in small amount. The principal constituents of the oil, however, are ...

N. O. GEAMINE^ 87 According to Dymock l and Schimmel 2 this oil has the following char- acters :— Specific gravity 0*905 at 29° ...

88 THE CHEMISTEY OF ESSENTIAL OILS Albany and Uitenhaage and Fort Beaufort Divisions, at an altitude of 1 to 3000 ft. Oil from E ...

- N. O. ABOIDE^E 89 Specific gravity at-|5° 0*842 Acid value .30 Saponification value 15 Iodine value .93-2 Apparently portions ...

90 THE CHEMISTEY OF ESSENTIAL OILS with were cultivated at Madison, Wis., U.S.A. The oil distilled fron the fresh tops of this m ...

N. O. ABOIDEJE 91 properties: boiling-point 123° to 126° (10*5 mm.); d'^ 0-9224 ; aD + 5°; nn 1 By treatment with hydrogen in ...

92 THE CHBMISTKY OF ESSENTIAL OILS N. 0. LIL1ACE/E. OIL OF GARLIC. This oil is distilled from the entire fresh plant Allium sati ...

N. O. LILIACE^E 93 OIL OP HYACINTH. The perfume of the flowers of Hyacinthus orientalis is usually em- ployed in the form of an ...

94 THE CHEMISTKY OF ESSENTIAL OILS having the constitution of 2:4:6-trihydroxy-acetophenone, in which the position of the methox ...