Definition: An oil has been refined by using chemicals that are harmful to us. In short it means to ‘purify’. But the meaning of purify has many definitions. It may mean the oil was treated with acid, or purified with an alkali, or bleached. It can also be neutralized, filtered or deodorized. All of which require chemicals like Hexane!
Read down for a look into HOW oil gets refined.
(Note that hexane is a chemical produced by the refining of crude petroleum oil. Chronic intoxication from hexane has been observed in recreational solvent abusers and in workers in the shoe manufacturing, furniture restoration and automobile construction industries where hexane is used as a glue. The initial symptoms are tingling and cramps in the arms and legs, followed by general muscular weakness. In severe cases, atrophy of the skeletal muscles is observed, along with a loss of coordination and problems of vision. In 2001, the U.S. Environmental Protection Agency issued regulations on the control of emissions of hexane gas due to its potential carcinogenic properties and environmental concerns.)
The crude vegetable oil is then put through further refining techniques including degumming, neutralization, and bleaching as explained below.
In the process of making and refining oils, it leads to PUFas (rancid polyunsaturated fatty acids) which DO NOT hold up well to high heats. In the process of being extracted from the seed, these oils oxidize and turn into trans fats. The smell is so rancid that a cleaning process has to take place using bleach to deodorize it.
Learn about them.
They can be a bit more expensive than what we are used to paying, but are quite healthy
Start slowly with the most common of oils and gradually experiment with other oils.
The flavors that will come from your food using these quality oils will blow you away!
Now the Question is which oils are safe then? To Know click here
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