Page 184 - PG 504-theoretical notes-phyto-1-2024-2025..

Clinical pharmacy PharmD program Third level Phytochemistry-1 (PG-504)

Comparison between volatile, Fixed and Mineral oils:

V.O F.O
Mineral oil
Volatile oil Fixed oil

Volatilization + - At High Temp

Comparison between volatile,
Distillation - At High Temp
Fixed and Mineral oils:+

Composition Low M.Wt High M.wt High M.Wt

Saponification - + -

Rancidity - + -

Oxidation + + +

Examples of Volatile constituents:

Oil Constituents

Menthol (40%), Menthone (20-30%), Menthofuran
(7.5%), 1,8-cineol (7.5%), Menthyl acetate (4 %),
Peppermint
Nemomenthol (3 %), Piperitone, Pulegone,
Isomenthone and Limonene

1,8-cineol (23%), Borneol (3.5%), Comphor (20%),
Rosemary Comphene (8 %), α-thujene, α -pinene (10-25 %) and
limonene (4 %).

Linalool (42%), 1,8-cineol (4 %), Linalyl acetate (22%),
Lavander Comphor (3.5%), Terpinene-4-ol (5%) and Limonene
(2%).

Limonene (57%), Sabinene (0.2%), Carvone (5.5%) and
Orange
α -pinene (0.5%).

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