KNOWLEDGE

BTMA-Why we use oil refinery to process oil?

Food science has a “smoke level” for oil. This is the temperature at which it stops smoking and begins to shimmer. crude oil has a higher percentage of moisture, impurities and other components than refined oil.

Its smoke point is usually lower than that of oil. This oil can cause a lot oily smoke to form if it is used directly.

Oil fumes can be harmful to your health. Oil fumes can be formed by heating oil. Other substances are more likely to cause cancer. Lampblack is another source of PM2.5 air pollution.

Evidence suggests that prolonged exposure to oil fumes can increase the risk of developing lung cancer. This is why it is important to refine crude oil.

Unrefined oils can be laden with minerals, enzymes and other compounds. They are especially vulnerable to rancidity and don’t like heat. In order to produce oil with high smoke points, industrial-level refinement methods like bleaching, filtering and high-temperatureheating are used. This is done to remove and extract any extraneous substances.

You’ll get a neutral-flavored oil that has a longer shelf life, and a higher smoke level. Below is a table that shows the differences in smoke points between refined and crude oils. These are the most commonly used in daily life.

Refining not only improves the smoke point but also has the following benefits:

1) Oil refined looks better.

The steps of colorization or deodorization are part of refining. These can remove any unpleasant smells and colors from the crude oil and make it clear and transparent.

2) Refined oils can be used to produce more end products.

This means that industrial products will need to be considered to meet different needs over time. The “refined oil”, which is of higher purity and is suitable for different processing requirements, is more compatible with industrialization needs than the “crude” oil. It is also easier to standardize.

3) Oil refining can result in some by-products.

Phospholipids can be produced by the degumming of crude oil. Phospholipids can be used in many food products as stabilizers and emulsifiers . Tocopherols can be made from vegetable oil by some deodorization processes. Oil refineries can also separate oils according to their melting points. In other words palm oil production firms often separate palm oil into “palmstearin” and “palm oil” which have a high melting point.

4) Food safety requires that the raw materials are refined to remove harmful impurities and toxic substances.

The refined oil is generally safer. One exception is cottonseed oil. It contains gossypol which is toxic for reproduction and must be refined for edible uses.

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