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Abstract
Pleiogynium timorense (DC.) Leenh. (Anacardiaceae), is an evergreen tree native to Australia. The plant has many synonyms as Pleiogynium solandri and Pleiogynium cerasiferum. It is known in Arabic as Gambozia, and is cultivated in Egypt as an ornamental plant . It is one of the plants having edible fruits used in preparation of jellies and jams. The present work includes phytochemical screening which revealed the presence of flavonoids, coumarins, sterols and/or triterpenes, carbohydrates and/or glycosides and tannins in pericarp and seeds of the plant. GC/MS analysis of of unsaponifiable matter (USM) from the petroleum ether extract of Pleiogynium timorense seeds revealed 28 compounds (hydrocarbons and sterols), representing 96.68% of the total unsaponifiable content. 1-Heptene (66.47%) is the major compound in the USM, followed by Butylated hydroxy toluene (21.07%) . Two steroidal compounds were identified ; Cholesterol, Ý-Sitosterol and one triterpenoidal compound was identified ; Ü-amyrin. GC/MS analysis of the fatty acids fraction as methyl ester derivatives revealed the presence of 9 fatty acids, representing 95.84% of the total composition