GC-MS evaluation of bioactive compounds and antibacterial activity of the oil fraction from the leaves of Alstonia boonei De Wild.

The ethanolic extract of the leaves of Alstonia boonei yielded yellow oil (2.38g). The oil was subjected to GC-MS studies. Fifteen phyto-constituents were identified with Ascorbic acid 2,6-hexadecanoate (17.27%) constituting the bulk of the oil, followed by 9-Octadecenoic acid, 1,2,3-propanetriyl ester (12.89%). Other monoterpenoids, oxygenated compounds and fatty acids identified include Octadecanoic acid (10.31%), Octadecanoic acid methyl...