Constituents of plants growing in qatar x.* seasonal variations of the volatile oil of cymbopogon parkeri

Abstract

The seasonal variation of the volatile oil of Cymbopogon parkeri Stapf. was studied. The oil content is higher during the hot dry season than during the humid hot season and the cold season. No qualitative differences among the monthly collected samples were observed but the quantity of the individual compounds varied strongly. The oil is characterized by a high content of alcoholic terpenes with nerolgeraniol representing 45 to 73 percent of the oil.