Phân lập hợp chất từ cao petroleum ether chiết từ vỏ cây bằng lăng nước (lagerstroemia speciosa (l.) pers.) thuộc chi tử vi (lagerstroemia)

Abstract

Sample of Lagerstroemia speciosa bark was collected in Can Tho city, Viet Nam. After collection, Lagerstroemia speciosa bark was washed with water, dried at room temperature, and ground by a mixer. Then, it was isolated with ethanol to obtain an extract in ethanol. Next, the ethanol extract was separated with petroleum ether solvent to get an extract in petroleum ether. Finally, isolation of products from petroleum ether extract was conducted by a column chromatography and thin layer chromatography. As a result, two compounds of Tetracosanoic acid and lupeol was isolated in which their chemical structures were determined by modern spectroscopic methods of H-NMR, C-NMR.