Progress in Essential Oils

Laurel Leaf Oil In 1997, Fiorini et al. compared the composition of flower, leaf, stem bark and stem wood oils of Laurus nobilis using GC and GC/MS. The results of this comparative study can be found in Table I.

The following year, Özek et al. (1998) compared the composition of a hydrodistilled oil, a steam-distilled oil and two supercritical fluid extracts of L. nobilis using a combination of modern analytical techniques. A summary of their results can be seen in Table II.

Also in 1998, Tiziana Baratta et al. used GC/MS to analyze an oil produced in the laboratory from bay leaves (L. nobilis) obtained from the spice shelf in the UK. The composition of this oil was found to be as follows:

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