It is a mechanism that presses seeds and nuts into a cavity. You know you need a cold-press, but is that the same thing as an expeller-press? Expeller Processed Oil When you see a handful of different options with the words cold-pressed and expeller-pressed on the packaging, you walk your cart over to the baking aisle and find yourself confused. Additional steam heat and the use of natural earthen bleaching clay are involved in this refining process. Using the same method as mentioned above, Expeller pressed oil is usually refined. This may make this oil more costly than the expelled solvent form. This choice is also not the cheapest option. Some people claim as little as 65 percent is removed, so this is debated. So, after pressing, some oil is still leftover. Pressing the expeller brings 87-95% of the oil out of the seed. It is later sold as a meal for animal feed.
The residual seed solids are left over after the oil is removed, forming a hardened cake that is removed. So, this process is not cold pressed scientifically. However, the pressure and friction involved in the pressing process produced heat within the range of 140-210 Degree F from the device. The screw drives forward to basically squeeze the oil from the compressed seeds. It involves a screw-style machine that presses oil through a caged barrel-like cavity, using friction and continuous pressure. With this procedure, no solvents or acids are used in the process, so there is no risk of any hexane residue left over. Expeller Pressed ProcessĮxpeller Pressed vegetable oil is made by a press to physically force the oil out of the seed. It will be in your hands to ensure that you ask the right questions and get the correct documentation. So, you can often find no mention of how the oil is produced on any documents.
EXPELLER SPRESS PROFESSIONAL
We have also discovered that certain suppliers are not so professional in quality control. Sometimes it is in the description on the spec sheet only. The descriptors are often in the title, often in abbreviated form. It is not always specifically labeled how oil is extracted either. Some are squeezed by an expeller using a mechanical press that physically squeezes the oil out. Some are expelled using solvents such as hexane. Oils are manufactured in several different ways. When it comes to oil, it’s hard to know exactly what you are having.