Peanut oil is also called groundnut oil. It is light yellow and transparent, clear in color, fragrant and delicious. It is a relatively easy to digest edible oil.
So do you know how peanut oil is pressed? Below I will show you two ways to press.
Hot pressing
Hot state steam fry, with skin pressing oil production process. Firstly, the raw materials should be put into the pot for hot frying, and then the oil is pressed by the oil press machine. This process has the advantages of high oil yield, tangy aroma, and low residual oil. However, the disadvantage is that after the hot-pressed raw materials are processed at high temperature, the biological activity of the raw materials itself is reduced, and the nutrients are lost.
Cold pressing
Reduce the process of high temperature heating, is to rely on the great pressure of physical machinery to separate the oil from the raw material, after multiple physical filtration. It integrates modern high-tech filtration and purification technologies, has no pollution in the entire production process, and the natural nutrition of the product is not destroyed. reduce steaming, frying, leaching and other processes to increase the oil yield, and retains the original biological activity.
Process comparison of the two methods:
Traditional hot pressing process:
Mixed grade peanut → cleaning and removing impurity → crushing → steam fry → press → crude oil → refining → refined oil → feed grade peanut cake
Cold pressing process:
Selected high quality peanuts → peanut kernels → cleaning and impurity removal → cold pressing → cold pressing crude oil → coarse filtration → cleaning filtration → high quality cold pressed oil → high quality peanut cake → crushing → peanut protein powder
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