OXIDE VOLATILE OILS

EUCALPYTUS

B.O Eucalyptus globulus Labillardiere.

Family Myrtaceae.

P.U Dried leaves.

Constituents:

It contains colourless or pale yellow oil which is about 6%, having an aromatic odour, spicy cooling taste, containing 70% of cineole C10H18O, d- pinene and other terpenes, resins, a bitter principle and tannin, eucalyptic acid, Ca-oxalate etc.

Uses:

It is used as carminative, expectorant, rubifaciant, antiseptic, and diaphoretic (agent intended to induce sweating).

Ester Volatile Oils

A wide variety of ester occurs in volatile oils. The most common are the acetates of terpineol borneol and geranial. Other examples of esters in volatile oils are allyl isothiocyanate in mustard oil and methyl salicylate in wintergreen oil.

ANETHUM

B.O Anethum graveolens.

Family Umbelliferae.

P.U Dried ripe fruits.

Constituents:

The fruit yields about 3-4% of volatile oil, which should contain from 43-605 of carvone. It also contains limonene.

Uses:

Carminative, Flavouring agent.

ROSEMARRY

B.O Rosmarinus officinalis.

Family Labiatae.

P.U Flowering tops.

Constituents:

The fresh material yields about 1-2% of volatile oils containing esters (0.8-6% calculated as bornyl acetate)

Uses:

The oil is an ingredient of soap liniment. Used to impart good smell to the formulations. And in perfumery industry.