Like any other sunflower oil, it is obtained either by pressing or by extraction. Both require additional cleaning. Of course, the oil is cleaned in production, but if you prefer to reap it yourself, then you will have to clean it yourself.
Instructions
Step 1
Strain the oil using a special filter (a funnel made of thick non-woven cloth or paper) or a cloth. In this way, you will remove the remnants of cake, seeds and other impurities. Do not use metal containers either during the production of oil or during its filtration; give preference to inert materials such as stainless steel, mild steel and epoxy-lined aluminum, glass, food grade plastic.
Step 2
Drain the oil immediately, because impurities will quickly spoil the product. Please note that many housewives use the method of settling the oil instead of filtering. Close the container with the oil with a tight lid and leave for a maximum of 24 hours. During this time, the oil may separate, light particles rise to the surface, and a cloudy sediment will appear at the bottom. Remove all husks and gently drain the product into a clean container. You have received unrefined oil.
Step 3
Store this oil only in the dark. Do not refrigerate or fry in refrigerator as toxic compounds are formed at high temperatures.
Step 4
However, it is not enough to strain the oil; It is important to understand that when oil is obtained from seeds by pressing into it, in addition to the main group of trialglycerols, structural lipids that determine the characteristic color, smell and taste, as well as water, paraffins, waxes, polycyclic aromatic hydrocarbons, residues of herbicides and pesticides are transferred. It is important to remove these components from the oil as much as possible.
Step 5
For deep cleaning, use deodorizing and oil refining methods. Both of these processes are difficult for home reproduction and require significant knowledge of the chemistry of substances. Refine the oil with lye. Deodorize by dry steam at 170-230 degrees under vacuum. To do this, use a special installation, pour oil into the vat, and the required amount of water into the tank. The deodorized oil is completely ready in 3-5 hours.