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NEWS
What Processes Are Needed Before Peanut Oil Extraction? What Does It Do?
Time:Tue-11-22 hits:
The oil factory will pretreat the oil before producing oil products.
The pretreatment process and equipment will vary with the type of oil.
The pretreatment of oil can improve the yield of oil, improve the quality of oil, and thus improve the quality of oil and meal, which is the key link of cooking oil production.
Peanut oil is a popular edible oil among consumers.
It has the advantages of easy digestion, rich nutrition, rich flavor and so on, is a good cooking oil.
According to its production technology, peanut oil can be divided into two categories: pressed peanut oil and leached peanut oil, but no matter which kind of technology, it must be pretreated before extraction.
The pretreatment procedures of peanut oil extraction include stone removal, shell stripping, crushing, billet rolling, steaming and so on.
Clean up the stone: peanut raw materials in the harvest, airing, transportation process will inevitably bring sand, soil, plant stems and leaves and other impurities.
In the storage process due to storage environment and other factors lead to mildew of raw materials, so it is necessary to remove impurities such as stones and soil in raw materials, so as to reduce the loss of impurities to the equipment and extend the service life of the equipment.
Shucking: The purpose of shucking peanuts is to improve the oil yield, improve the quality of gross oil and cake, and use the follow-up rolling process.
Crushed: peanuts are large particles of oil. In order to make them better press out oil and improve the oil yield, they will be crushed.
Crushing can increase the surface area of raw materials, which is conducive to the transfer of temperature and water in the subsequent steaming and frying softening.
Embryo rolling: The purpose of embryo rolling is to form thin sheets, increase the surface area of oil, destroy peanut cell tissue, so as to rapidly condense oil during steaming and frying, shorten the distance of oil, and improve the speed of oil extraction.
Steaming and frying: The purpose of steaming and frying is to change the biochemical composition and physical state of the embryo through temperature, moisture and other factors, so as to completely destroy the oil cells, denaturate the protein, condense the oil, improve the press oil yield and improve the oil quality.
After the above pretreatment process, the raw material is transported to the oil press for oil extraction, to get the pressed peanut oil;
Peanut oil is processed according to different processes, and the impurities are removed by refining unit, which is the common pressed peanut oil in our daily life.
Pretreatment process is a very important process. It can improve the quality of edible oil, fully extract the oil in the oil, increase the oil yield.
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