As vegetable oil is an important component of the human diet, the source and the processing play an important role in consumer acceptability. To remove impurities that affect the color, palatability, stability, and safety of oil, crude vegetable oil must be refined. This review highlights the processes and steps used in vegetable oil refining.
Does refined sunflower oil have more oleic acid than soybean oil?
Refined sunflower oil has 0.13% equivalent in oleic acid, while soybean oil, 0.09% (Jorge et al., 2005). This result indicates that sunflower oil has a higher content of free fatty acids than soybean oil, even after refinement.
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.
What is cooking oil refining?
The process of Cooking Oil Refining is essential for various vegetable oils and fats or animal oils and fats to make them useful for the frying and salad dressing usages. In Chemical terms, all oils are Tri-Glycerides. One Glycerin molecule combines with three Fatty-Acid molecules to form one Fatty-Acid Glycerin Ester.