Fatty Acids And Unsaponifiable Components Of Extracts Obtained From Flowering Tops And Rhizomes Of Vetiveria Nigritana (Benth.) Stapf, Poaceae

Extracts of Vetiveria nigritana flowering tops and rhizomes were analyzed by mean of GC/MS for their fatty acids and unsaponifiable components. In flowering tops extract, the acid fraction is characterized by the presence of palmitic acid and other long chain fatty acids (until C-34). Unsaponifiable contains a high percentage of sterols (43.89%, mainly beta-sitosterol). In rhizomes extract, acid fraction is composed by a high amount of typical organic acids of the genus Vetiveria and by a low quantity of fatty acids. Unsaponifiable fraction is characterized by the presence of a great percentage of sesquiterpenic derivatives (54.8%), and of sterols in low amount (13.7%).