Essential oils of New Zealand podocarpaceae. I. Dacrydium colensoi

The essential oil of Dacrydium colensoi has been fractionated in an efficient column and is shown to contain at least 16 constituents. Ten of these have been identified with known compounds, namely, α-pinene, myrcene, limonene, terpinolene, longifolene, (?) muurolene, cadinene, macrocarpol, phyllocladene and isophyllocladene. Other constituents include a sesquiterpene similar to aromadendrene and one of the cadalene type. The status of ‘cadinene’ is discussed.