After different oil crops pass through the oil press equipment, a part of the oil comes out, and the rest is the cake. For example, the oil yield of rapeseed is 37-42%, which is about 50 catties per hundred catties of rapeseed meal. Some oil crops with low oil content have more remaining cakes. So can this part of the cake be used? How should it be used?
After the oil passes through the oil press equipment, the types and quantities of by-products are very rich, and all by-products can be comprehensively developed and utilized.
Oil cakes are rich in protein, cellulose, nitrogen-free extracts and a small amount of fat. Cakes are mainly some deep-processed protein food raw materials, or food, agricultural products and raw materials. With the development and change of technical conditions and market conditions, people should be able to find many opportunities for product development in this area. At present, the utilization of oilseed meal can be summarized in the following aspects:
1. Prepare concentrated protein, separate protein, fibrous protein and tissue protein from cake.
2. Use some cypress transformation to prepare edible products. Such as making liquor, vinegar, soy sauce and monosodium glutamate.
3. Use some meal meal directly as human food raw materials.
4. It can be used as an animal feed ingredient, using inferior cakes as adhesives, bakelite plastic fillers and other industrial raw materials.
5. Make fertilizer for cash crops.
6. Extracting certain oil components or nutrients from the cakes and dregs to produce chemical products.