Why is rapeseed oil press machine Better?

Rapeseeds, also called charlock, rape, rape seeds, is now planted for the production of animal feed, edible vegetable oils and biodiesel. It is the world third-largest source of vegetable oil, after soybean and oil palm. The leading producing areas of rapeseed are EU, Canada, China, India and Australia. Rapeseed oil, derived from the rapeseeds, is golden yellow or brownish yellow, with a certain stimulating smell, which is called "green smell". The smell is caused by a certain amount of glucosinolates, but the species-specific rapeseed does not contain the substance.

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Rapeseed oil contains 0.4-1.0% peanut acid, 14-19% oleic acid, 12-24% linoleic acid, 31-55% erucic acid, 1-10% linolenic acid. In terms of nutritional value, the absorption rate of rapeseed oil can be as high as 99%, and it is beneficial to bile function. In the pathological state of the liver, rapeseed can also be metabolized by the human body. Rapeseed oil has the effect of softening blood vessels and delaying aging. Because the raw material of rapeseed oil is a plant seed, it usually contains certain seed phospholipids, which is very important for the development of blood vessels, nerves and brain. Rapeseed oil has little or no cholesterol, so people who should control the cholesterol can eat it safely.

Rapeseed Oil Press Machine at Competitive Price

As the most important part of rapeseed oil production, a suitable and good rapeseed oil press machine can greatly improve the rapeseed oil pressing efficiency. Fortunately, our YZS series single screw oil press, with various models, provides you the BEST choices for rapeseed oil making. They all passed the CE and ISO: certification. There are always one model that is made for your needs.

YZS Series Rapeseed Oil Press Machines

YZS Series Rapeseed Oil Press Machine Parameters

Rapeseed Oil Press Machine Advantages

• In addition to process rapeseed, it can also process other vegetable oil seeds efficiently, including corn germ, tea seeds, hempseeds, copra, palm kernel, almond, soybeans and more.
• Stainless steel cover above pressing cage and stainless steel oil outlet pan for clean rapeseed oil production
• Improved feeding system in hopper makes smooth and stable raw material feeding

How to Make Rapeseed Oil?

There two main methods to make rapeseed oil, one is by pressing rapeseeds and the other is by leaching extraction. But, compared to leaching extraction, physical pressing has many advantages, including low investment cost, suitable for any production capacity. Using physical pressing method to produce rapeseed oil, there are no limits for the production capacity. It is suitable for mini, small, medium or large scale oil production. And, it has no strict requirements for the factory space, oil production equipment, safety operation and other. Besides, the rapeseed obtained from pressing contains no chemical additives. So, how to make rapeseed oil by physical pressing method. Below is the main steps to make rapeseed oil, which is suitable for all types&#; capacity of rapeseed oil making.

Cleaning: Uses professional cleaning equipment to remove the main impurities contained in rapeseeds. Rapeseed in harvest or drying process, may be added to impurities such as sand, dirt, rape stem leaf, if these impurities without effective treatment, not only can lead to poor quality of the cake, but also can reduce the quality of the oil. In addition, if the oil contains sand, mechanical impurities and so on, will also cause damage to the oil pressing equipment. Therefore, in order to ensure the smooth operation of rapeseed oil production, a certain amount of cleaning must be carried out before entering rapeseed oil press machine.

Heating Treatment of Rapeseed: Heating treatment is one of the effective steps to improve the yield of rapeseed oil, and is also an important process in vegetable oil production. Heating treatment means to heat the raw materials, usually known as steaming or frying embryos. The raw rapeseed, after heat treatment, can increase the oil yield. The quality of heat treatment can greatly affect the oil yield of rapeseed oil. (See more heating treatment at Cooking Machine>>)

Rapeseed Oil Pressing: Since there are a certain difference between the shape of rapeseed and other plant seeds. The process of rapeseed oil pressing has a higher demand for the oil press machine. However, the YZS series rapeseed oil press machine we developed can sufficiently destroy the molecule and final get the maximum oil output.

Rapeseed Oil Clarification or Refining

The oil comes out from rapeseed oil press machine is crude rapeseed oil. Usually, it can&#;t be used for cooking directly, since there are some impurities and substances contained in the crude rapeseed oil. Crude rapeseed oil must be clarified or refined by oil filter machine or oil refining machinery before eating.

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Rapeseed oil, after refining process, can be directly consumed or made into various products in different specifications. Rapeseed oil using as salad oil is for cold mix, fried food, candy and snacks. Since its saturated fatty acid content is low, using rapeseed oil to make cheese can low the production cost. So, rapeseed oil is a kind of good substitute of cheese. At the same time, rapeseed oil also has a wide application in industry. It can be divided into three kinds: rapeseed oil, rapeseed oil fatty acid and its derivatives, which can be used in different industrial production, and can be made into a variety of industrial products.

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Rapeseed oil is an edible oil extracted from rapeseed, and it is one of the important edible oils.

The equipment and processes for pressing rapeseed oil are different in the pressing workshops of each region. Some of the pressing workshops are cold-press and some are hot-press. Here we talk about the difference between the two processes.

What is the hot-pressing of rapeseed oil?

• During the pressing process, for the hot-pressed rapeseed oil, rapeseed should be roasted at a high temperature, and the rapeseed should be roasted to about 130 degrees in a roaster.
• The oil press also needs to be preheated to about 80 degrees in advance.
• Hot pressed oil only needs to be pressed once, and the processing efficiency is high.
• The unique fragrance in the rapeseed is fully released, which belongs to the strong-flavored rapeseed oil, but the roasting temperature is high, the slag in the extracted rapeseed crude oil is small and difficult to filter clean, and the high temperature makes the phospholipids in the rapeseed release to the rapeseed oil, it is necessary to add salt water for simple dephosphorization. After adding salt water, the water content of rapeseed oil increases, which shortens its shelf life of rapeseed oil.
• The pressed rapeseed oil has a strong aroma and a special aroma of rapeseed oil, which cannot be replaced by other vegetable oils. The color is brownish yellow.
• But the disadvantage is that if it is not processed properly, it will cause the oil to foam, with a small amount of sediment, low smoke point, and large oil smoke when eating.

What is the cold-pressing of rapeseed oil?

• Cold-pressed oil is the rapeseed that is pressed without roasting or slightly heated.
• It needs to be pressed 2-3 times to get the oil squeezed clean.
• The pressed crude oil needs to be heated to about 100 degrees for dehydration treatment and then filtered.
• Because the slag in the cold-pressed crude oil is relatively large, it is easy to filter clean, the color of the filtered cold-pressed oil is cool, and yellow, with few impurities, no foam when eating, and less oily smoke. Cold-pressed rapeseed oil can do zero addition, not even salt.
• From the perspective of healthy nutrition, cold-pressed oil is pressed at a low temperature, and the nutrients are not destroyed, which has a certain advantage in this regard.
• The disadvantage is that it does not have the special aroma of rapeseed oil, like the salad oil sold in the supermarket.