Composition of the Leaf Oil of Centratherum punctatum Cass. Growing in Nigeria

Abstract

A hydrodistilled oil from the leaves of Centratherum punctatum Cass., collected from Nigeria, was analyzed by GC and GC/MS. Among the 49 constituents found, 42 were identifed (ca. 94% of the oil composition). The major compounds were the sesquiterpenes: β-caryophyllene (16.6%), germacrene D (6.4%), globulol (5.7%), α-copaene (5.3%) and β-sesquisabinene (5.3%).

Key Word Index:

• Centratherum punctatum
• Compositae
• essential oil composition
• β-caryophyllene