Abstract
The volatile compounds of two green algae, Scenedesmus sp. and Chlorella vulgaris, have been identified. These algae, which are dominant in biomass, have been harvested from a pond used for treatment of reused waste water. Volatile oils were obtained by steam distillation of the algae with a yield of 0.014–0.020% (w/w). The essential oil components were analysed by GC and GC-mass spectrometry. The major products in the oil of both species are palmitic acid in the acidic fraction (18–19%), phytol and 2-butyloctanol in the alcohol fraction (11–16%), methyl palmitate, methyl oleate, methyl linoleate, methyl stearate in the ester fraction (20–23%) and, heptadecane and 1-heptadecene in the hydrocarbon fraction (25–26%). Minor quantities of ketones and lactones were also detected.
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