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.
Which industrial technologies are used for vegetable oils’ refining?
The present review aimed at comparing the two main industrial technologies used for vegetable oils¡¯ refining, namely, chemical refining and physical refining. Chemical refining removes free fatty acids by soda neutralization.
How to refine sunflower oil?
Physical refining of sunflower oil is discussed in details. Recent developments in the field of processes, equipment and control have made possible to refine by physical way the high phosphatide containing seed oils as well.
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.
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