Refining Edible Oils

TONSIL® BLEACHING EARTH GRADES FOR THE OIL REFINING PROCESS

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Our TONSIL® range of bleaching earth or clay is based on over a century of experience in refining edible oils and fats. Today, Clariant remains a truly global player and thought leader for edible oil purification.

 

Edible Oils

Edible oils represent an indispensable ingredient in food and food preparation around the world.
On a yearly and worldwide basis, around 157 million tons of edible oil are extracted from oil-rich seeds and fruit. 
These products are abundant in nutrients, have a long storage life, and are suitable for different culinary applications. 
 

Refining Process

Edible oil producers always look for ways to improve their products.
The oil is not merely pressed from the oil-rich material. It undergoes a multistage refining process to remove impurities, dyestuffs, and residues that can degrade the quality of the oil.
Materials based on natural feedstock bentonite play a decisive role in refining edible oils as they possess high absorption capacity.

Process stages

Products such as Clariant’s TONSIL® are added to the untreated oil in approximately 1% of the total amount. 
Once TONSIL® particles absorb the impurities and contaminants, they are filtered through by presses. 
Finally, the remaining quality-affecting compounds and contaminants are removed from the oil by the process of deodorization. This process stabilizes the shelf life and taste of edible oil.


Solutions For Refining Edible Oils

The innovative TONSIL® product range provides natural and activated bleaching clays that are able to gently remove undesired compounds. Pigments, gums, and other substances can unfavorably affect the appearance, taste, odor, and shelf life of edible oil.
At the same time, our tailor-made formulations efficiently tackle the challenges of minimizing the level of 3-MCPD esters and glycidyl esters (GE) in palm oil depending on the actual feedstock.
Clariant can reproduce your edible oil refining process on a laboratory scale and accurately tailor TONSIL® solutions to your needs. 
 

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Julie Brooks
Julie Brooks
Contact Person
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Functional Minerals Team