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Soybean Oil Extraction Production Line

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Soybean Oil Extraction Production Line Soybean oil extraction production line uses soybean as raw material, after screening, tempering, crushing, flaking and other pretreatment sections, and then through pressing or extraction, etc., to extract soybean oil. Soybean oil is also called soybean oil. As the name suggests, it is extracted and processed from soybeans. Compared with other oil raw materials, soybeans have a low oil content, only 16% to 24%. In order to achieve the greatest benefit,

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Soybean Oil Extraction Production Line
Soybean oil extraction production line uses soybean as raw material, after screening, tempering, crushing, flaking and other pretreatment sections, and then through pressing or extraction, etc., to extract soybean oil.
Soybean oil is also called soybean oil. As the name suggests, it is extracted and processed from soybeans. Compared with other oil raw materials, soybeans have a low oil content, only 16% to 24%. In order to achieve the greatest benefit, manufacturers generally use the leaching method to obtain most of the oil in soybeans in the process of processing soybeans. Therefore, most of the soybean oils that can be seen on the market are refined oils produced by extraction.
Since the soybean raw material market is full of different types of genetically modified soybeans, when selecting soybean oil, you should read the label carefully to know whether the raw material of the product is suitable for the extraction process:
The soybean oil extraction production line uses solvent oil (No. ), the biggest feature of the soybean oil extraction production line is high oil yield and low production cost, which is also one of the reasons why the price of soybean salad oil is generally lower than that of pressed oil. During the leaching process, the amount of solvent in edible oil Residues are unavoidable. The national standard stipulates that even qualified extracted soybean oil is allowed to contain ten milligrams of solvent residue per kilogram. However, qualified soybean oil is not harmful to the human body and can be eaten in one direction. Soybean oil is the most widely consumed in the world Oil, more than 90% of oil is prepared by extraction method.
The soybean oil produced by the soybean oil extraction production line is obtained from soybean seeds. Soybean oil is the largest oil variety in the world. The color of soybean crude oil varies with soybean seed coats and soybean varieties. Generally light yellow, slightly green, dark brown and so on. Refined soybean oil is pale yellow in color.

The physical and chemical constants of soybean oil extracted from soybean oil extraction production line:
Relative density (d20℃4℃) 0.9150-0.9375
Refractive index (n20℃D) 1.4735-1.4775
Viscosity (E020°C) around 8.5
  Freezing point (℃) -18~-15
Iodine value (g iodine/100g oil) 120-137
Saponification value (mgKOH/g oil) 188-195
Total fatty acid content (%) 94.96
The average molecular weight of fatty acids is about 290
Soybean oil extracted from soybean oil extraction production line, fatty acid composition Component Content (%) Component Content (%)
Palmitic acid 6-8
Oleic acid 25-36
Stearic acid 3-5
Linoleic acid 52-65
Arachidic acid 0.4-0.1
Linolenic acid 2.0-3.0
The soybean oil extracted from the soybean oil extraction production line contains a large amount of linoleic acid. Linoleic acid is an essential fatty acid for the human body and has important physiological functions. The lack of linoleic acid in young children will cause dry skin, thickened scales, and stunted growth; the lack of linoleic acid in the elderly will cause cataracts and cardiovascular and cerebrovascular diseases. Crude soybean oil has a beany smell, which can be removed after refining, but it tends to have an aftertaste during storage.
In addition to fat, soybean oil also brings in some non-oil substances during processing. Unrefined crude oil contains 1%-3% phospholipids, 0.7%-0.8% sterols, a small amount of protein, wheat germ phenol Soybean oil is not suitable for long-term storage without hydration to remove impurities. In addition, the color of refined soybean oil will gradually change from light to dark during long-term storage. The reason may be related to the automatic oxidation of oil. Therefore, when the color of soybean oil becomes dark, it is not suitable for long-term storage.
The methods and processes of soybean oil extraction production line are different, and the extracted soybean oil is also different
【1】The smoke point is different
The smoke point of pressed soybean oil is 166 degrees Celsius, while that of leached soybean oil is 175 degrees Celsius. The refining conditions of extracted oil are harsher than that of pressed oil, and the corresponding impurities are less, the purity is higher, the smoke point is higher, and the operating temperature can be higher when used. Pressed oil has a lower smoke point than leached oil, so it is not suitable for high-temperature cooking, and leached oil is more complicated to refine, so it is much lower in impurities.
[2] The degree of refining is complex
The processing technology of the soybean oil extraction production line has the "physical pressing method", which is to extract the oil from the raw material through physical methods and mechanical extrusion. There is also the processing technology of leaching method, which adopts n-hexane extraction method. A method of extracting oil from oil with food-grade solvents. The advantage of this method is that the oil yield is high and it is suitable for large-scale industrial production.
【3】The processing technology is different
Pressing is a traditional process, where the oil-extracting material such as soybeans is placed in a container, and the container is pressurized to squeeze out the oil inside.
Leaching is the use of organic solvents. Extract the oil from soybean flour. Because the solubility of oil in these solvents is relatively high, it is easy to dissolve into the extractant, and then the oil is separated from the extraction solvent.
【4】Different nutrients
Pressed soybean oil has complete color, fragrance and taste, and retains various nutrients and bean flavor. The extracted soybean oil is colorless, with a slight gasoline smell. After processing, it is relatively clear, with a high smoke point, and social cooking. .
【5】The difference in price
Pressed soybean oil retains the original flavor of soybeans, so the requirements for soybean raw materials are very strict, fresh raw materials, acid value and peroxide value are low, so the price is relatively high; at the same time, because only pressing is carried out, the residual oil in soybean cake is high. The oil yield of pressed oil is relatively low. Therefore, the price of pressed soybean oil is relatively high.
The process of soybean oil extraction machines is different, and the machines and equipment used are also different. When purchasing soybean oil extraction machines in large soybean oil processing plants, the process should be selected first, such as soybean oil pressing machine, ordinary soybean one-time extraction machine, low temperature Extraction machine, soybean low temperature meal machine, soybean protein isolate machine, soybean protein concentrate machine. In short, soybean oil produced by extraction and other processes has a relatively low price due to its large production scale.
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