Isolation And Identification Of Solasodine From The Fruit Of Solanum Melongena L.


This research was aimed at isolating solasodine from the fruit of Solanum melongena L. and identifying the product of isolation. The isolation was performed initially by direct method steam distillation followed by reflux with concentrated hydrochloric acid to extract the intended substance. Identification of the product was conducted using color test with sulfuric acid (H2SO4), color test according to Briggs and Salkowski, thin layer chromatography (TLC), and Fourier transform−infrared spectrophotometry (FTIR). The reaction of the product and H2SO4 gave a brown coloration, while the result of TLC demonstrated a brown spot with retardation factor (Rf) similar to that of standard solasodine, and the IR spectrum showed peaks similar to those of standard. These results confirmed that solasodine existed in the extract of Solanum melongena L.s fruit and therefore direct method live steam distillation followed by reflux can be used to isolate solasodine from the fruit

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