D. Rudan-Tasiè and C. Klofutar
Department of Food Technology, Biotechnical Faculty, University of Ljubljana
SI-1000 Ljubljana, Jamnikarjeva 101, Slovenia
Eleven samples of vegetable oils were examined and the following indices determined: peroxide value, acid value, iodine value, saponification number, specific gravity, refractive index at 298.15 K and electric permittivity in the temperature range from 298.15 to 313.15 K. Some empirical relations between physical and chemical constants were fitted to the experimental data and the correlation constants for the best fit are presented. In addition, the correlation constants for calculating the electric permittivity of oils in the range of temperature from 298.15 to 313.15 K were obtained and the effective dipole moment was estimated via Debye’s equation.