Why should we roast oilseeds before we use oil press ?BTMA
There are many types of squeezing oilseeds in the oil press equipment. Because the squeezed materials are different and the oil yield is different, the squeezing method used also needs to be slightly adjusted, this is the reason why the oil needs to be roasted before pressing.
Regardless of the oilseeds, peanuts or rapeseeds, you need to pay careful attention to these details so that they can be processed in time to increase the oil yield.
Oilseeds should be roasted and carefully selected
When oil crops are pressed, they should be dried and cleaned so that their moisture content is no more than 12% and impurities are no more than 0.5%. An especially important step is the selection of oil crops. Many users ignore the essential pre-selection The treatment process is dispensable, but everyone does not know that if the oil is not selected or poorly selected, the dust will block the oil passage, and the sand will accelerate the wear of the snails inside the press boring, which is not only for the oil press The influence of the normal operation of the equipment will also greatly shorten the service life of snails, squeezers and cake outlets. If the oil is mixed with hard objects such as stones and metals, the snails will be damaged immediately.
Therefore, we must pay attention to doing a good job of oil selection, which can get twice the result with half the effort.
As for why oilseeds should be roasted? The reason is that only the wet heat treatment for the oil can make it have a certain degree of elasticity and plasticity to facilitate the pressing process.
The purpose of steaming
Completely destroy the cell structure in the oil;
Denaturate the protein (reduce the adsorption force of grease and suitable plasticity);
Improve the quality of oil (reduce the content of colloids and other low molecular substances),
Steaming and cooking requirements
uniform maturity, and the cooked body has a certain elasticity and plasticity.
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