Spectral-Luminescent Properties of Rapeseed Oil Obtained from Seeds Purified with an Electrostatic Field

Samples of rapeseed oil obtained by cold pressing from seeds treated with an electrostatic field of intensity E = (0.05-0.25) MV·m⁻¹ for a duration of t = 3-30 s were analyzed. As a reference, the spectral-luminescent characteristics of rapeseed oil samples prepared similarly from control rapeseed that had not been treated with an electrostatic field were also recorded. The behaviour of rapeseed oil fluorophores, namely tocopherol, phenol, fatty acids, oxidation products, vitamins and pigments, which are part of its composition, was a source of information about the chemical composition of the seeds under study. It has been found that the fluorophores in rapeseed oil obtained from seeds pretreated with an electrostatic field with an intensity at E = (0.05-0.25) MV·m⁻¹ for t = 3-30 s exhibit spectral-luminescent properties identical to those of rapeseed oil obtained from seeds that were not subjected to additional electrostatic field treatment. Specifically, the spectral-luminescent properties of the fluorophores in rapeseed oil (tocopherol, phenol, fatty acids, oxidation products, vitamins, and pigments) obtained from seeds treated with an electrostatic field with an intensity at E = (0.05-0.25) MV·m⁻¹ for t = 3-30 s were identical to those of fluorophores in rapeseed oil obtained from rapeseed that had not been exposed to an electric field of the specified parameters. The results obtained indicate that additional cleaning of rapeseed using an electrostatic field under the specified conditions does not cause any changes in its chemical composition or in the nature of intermolecular interactions within it.