Rapeseed oil is fragrant, cheap, and nutritious and healthy has become the main edible oil. Some customers find that when rapeseed is sent to the oil press, the squeezed oil has a lot of foam. Some customers will have questions, is it normal to have so many bubbles, will it affect the quality of rapeseed oil? Can it be removed?
The extraction of rapeseed oil is purely physical pressing, and the rapeseed is put into the seed frying machine to fry the seeds , After being fried, it is directly poured into the oil press for squeezing, and no other substances are added in the whole process. Foaming when squeezing rapeseed oil is a normal phenomenon. It is mainly due to the combination of air entering the interior and high temperature formation during the squeezing process, plus the crushed residue, forming a yellow-white foam. The foam itself is not harmful to consumers, but it affects the appearance of edible oil and reduces the customer’s desire to buy. Therefore, the foam generated during the pressing process can be removed.
The commonly used removal method is physical method, so that you can have healthy green cooking oil. Now the pressed rapeseed oil needs to be filtered. There are many filtering methods, the most commonly used is centrifugal oil filter filtration. Centrifugal oil filter uses eccentricity to remove oil and residue. Removal of impurities in the oil can make the oil clearer without foam. And the operation of centrifugal oil filter is relatively simple, generally it can filter a pot in about 5 minutes.