Sunflower seed kernel contains 30% -45% oil, the most up to 60%. Edible sunflower oil contains a large amount of linoleic acid (54% ~ 70% of the total fatty acid content), oleic acid (about 39%) and other essential unsaturated fatty acids, can promote the regeneration and growth of human cells to protect the human skin health, and Can reduce the deposition of cholesterol in the blood, higher nutritional value is a high-level nutrition oil??so the sunflower oil refining process is necessary.Send Inquiry Chat Now
Oil refining is a method of removing harmful impurities and unnecessary substances in crude oil in order to increase the storage stability, flavor and color of the crude oil. Then get a standard edible oil, or provide qualified materials for further processing.
Crude oil ??Degumming ?? Deacidification ?? Decolorization ??Deodorization ?? (Winterization/Fractionation) ?? Standard edible oil
Degumming: Adding water and little P-acid to combined with the impurities and then remove the gum.
Deacidification: Using alkali like (NaOH) to neutralize FFA in oil, during edible oil refinery machinery it will get nigre, then separating it from the oil.
Decolorization: using the active clay to absorb the pigment in oil, then separating the waste clay. You will get a light yellow color oil.
Deodorization: the crude oil smells not good, it will affect of oil storage and price. So during edible oil refinery machinery, we usually use the direct steam to take away odors. In the meanwhile, it can also remove water and FFA from oil.
Winterization/fractionation: Oil is consist of triacylglycerol with the different melting point. under a specified temperature, there will have some solid part come out from oil, it will affect the appearance and price. winterization and fractionation are to remove or separate the solid part to get fully liquid edible oil.it is suitable for some kinds of vegetable oil, like rice bran oil, sunflower oil, corn germ oil, palm oil etc.
But the crude oil contains trace wax (about 0.10%) and oxygenic acid, affecting the quality and storage stability, the sunflower oil color golden, clear and transparent, smell fragrance after cooking oil refinery??in daily consumption is an important Edible oil. Sunflower oil refining and refined cooking oil two grades and the sunflower oil refining process are important in whole edible oil refinery plant’s oil production.
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