Essential oils of Thuja occidentalis, Thuja orientalis, Cupressus sempervirens and Juniperus phoenicea

ABSTRACT

Essential oils were obtained by steam distillation from the twigs and berries of Thuja occidentalis [0.25 and 0.5% w/w respectively], Thuja orientalis [0.32 and 0.25%,w/w], Cupressus sempervirens [0.4 and 0.16 w/w], and Juniperus phoenicea [0.75 and 1.25% w/w]. Comparisons of the four essential oils were made by gas chromatography/mass spectral [GC/MS] analysis. Major constituents of the oils, alpha and were alpha-thujene, [+] sabinene B-pinenes, [+]-camphene, cedrol and cedrenol