Synthesis and characterization of New Polyols Compounds Derivated From Epoxide Sesame Oil with some fatty acids and Evaluation their Microbial Effects

الملخص

In this study, a new polyols that was derived from locale produced sesame oil was prepared.  This preparation was carried out in two steps. The first step was to prepare the epoxidized oil from the reaction of the oil with the formic acid in the presence of hydrogen peroxide. The second step was the reaction of the epoxidized oil with a number of fatty acids like (acetic, stearic, palmitic, butyric, oleic and linoleic acid) to form the polyols. The oil and the prepared compounds were characterized   using FT-IR, NMR and C13NMR Spectroscopy.

The iodine number, the acid value, the epoxide number, the peroxide number of the oil, and  the prepared compounds were determined. Also the biological activity of the oil and the prepared compounds were studied by using two types of bacteria and a type of fungi, which were found  that some of the compounds had a positive effect, to fungi and bacteria, E. coli  but they was no effect on S.aureus , which can be attributed to the  use of low concentrations