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Does sunflower oil retain more tocopherols in chemical refining process?
In chemical refining process, sunflower oil retained more tocopherols compared to the physical refining method. However chemical refining is considered less efficient due to saponification of neutral oil. 1. Introduction Vegetable oils are obtained through two primary methods: pressing and extraction.
What is the refining process of sunflower oil?
The refining process involves degumming, neutralizing, bleaching and physical refining process. For the water degumming process, crude sunflower oils were heated to 80°C, and a 4% by volume water was added to the mixture. This combination was then stirred for 30 minutes in a semi-continuous mixer with a flow rate of approximately 4 tons/h.
What is the difference between physical and chemical refining of sunflower oil?
Tocopherol loss during physical refining was higher by 10% than in chemical refining due to the high temperatures used during the deodorization process, which removes free fatty acids in sunflower oil. In chemical refining process, sunflower oil retained more tocopherols compared to the physical refining method.
How to extract oil from sunflower seeds?
The oil extracted from sunflower seeds either by Screw Press or by Solvent Extraction Process. The Seeds will be either dehulled or whole seed extraction is taking place based on the requirement of the protein content of the De-oiled Meal.
