Influence of industrial physical refining on tocopherol, chlorophyll and beta‐carotene content in sunflower and rapeseed oil

摘要: The main purpose of this article was to investigate the influence individual processes in physical refining on tocopherol content sunflower and rapeseed oils. During some chemical parameters, oxidative stability oils minor compounds such as chlorophyll beta-carotene, were determined. Those analytical data with explained backgrounds gave more qualitative overview what happened same lot being processed a continuous operation. Some compared laboratory oil refining. Crude contained 656 mg/kg total tocopherols, followed by high oleic 373 mg/kg tocopherols classic 332 mg/kg tocopherols. most serious bleaching deodorization process, losses 14.9–17.4% 20.2–27.1%, respectively. In refined oils, chlorophylls FFAs almost completely removed increased 2–3 times. Vegetable process caused relatively great but this, turn, prolonged shelf life edible oils. Practical applications: It proved that refinery improves their basic parameters. loss can be minimized shortening time lowering temperature during final step refining, it has remain within requirements quality oils. The lead 39.0–45.5 % content. 14.9–17.4 % 20.2–27.1 %, Degumming 6.6–8.4 % decrease oil. Most gentle winterization which only 2.9–5.8 % decrease.