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BTMA-How much do you know about the cooking rapeseed?

The quality of fried seeds directly affects the oil yield and oil yield, “three-point squeezing, seven-point frying”. If the fried seeds are too light, the oil yield will be reduced. Fried seeds are too old, although the oil yield is high, but the color of the oil will be dark, and it will taste bitter. Therefore, rapeseed cooked, squeezed and fried seeds are the key. Seed frying and squeezing are two important links in the oil production process, and both are indispensable.

When frying seeds, under the influence of temperature and moisture, the structure of protein is destroyed, especially the influence of temperature is more important, and it begins to denature when it exceeds 60 degrees. After the protein is denatured, the spherical structure will become a loose scattered structure. The loose ice originally contained in the sphere is on the surface, so that the oil can be extracted more easily.

Practice and production have proved that the more thorough the protein denaturation is. , The higher the oil yield. For this reason, in the process of frying the seeds, we use a low-fire long-frying, high-moisture seed-frying, and low-moisture squeezing process. Under the premise of ensuring that the squeezing is not lost, the use of low-fire and long-term frying is to make the protein denaturation of the preform more thorough. In the cake, this reduces the content of the crude oil, thereby reducing the color of the crude oil. The pressing temperature is high and the moisture content is low. This can reduce the residual oil rate in the cake. It has been proved through practice that using this method, Obvious results have been achieved in improving the oil yield and oil quality of the oil.

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