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The essential oil of cinnamon leaf (Cinnamomum zeylanicum Blume) grown at Bangalore and Hyderabad has been analysed by capillary GC and GC‐MS. Besides the main constituent, eugenol (81.4‐84.5%), 47 other constituents, including those present in trace amounts, have been identified in the oil samples from the two locations. The two samples differed with respect to the relative amounts of linalol, (E)‐cinnamaldehyde, (E)‐cinnamyl acetate, β‐caryophyllene and benzyl benzoate. Also the oil content of the Hyderabad material was found to be higher than that of the Bangalore material.

Cinnamon (Cinnamomum zeylanicum Blume, syn C verum JS Presl, family Lauraceae) is an important spice and aromatic tree cultivated in Sri Lanka and India. On steam distillation, different parts of cinnamon yield volatile oils of varying composition. In the present investigation the profiles of essential oils isolated from tender twigs bearing reproductive parts, from pedicels of buds and flowers, from buds and flowers, from pedicels of fruits and from fruits were analysed by gas chromatography (GC) and GC/mass spectrometry (GC/MS). The essential oil yields of the different plant parts were: tender twigs, 0.40%; pedicels of buds and flowers, 0.36%; buds and flowers, 0.04%

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