... crops, such as, olive, palm, oil sunflower, cottonseeds, soybean, peanut, sesame, vegetable seeds, coconut, flax etc.(4). Oil Pure: The ... oil seeds such as cottonseed, rapeseed, high-oil sunflower seed, peanut kernel, soybean, etc. Before prepressing, you have to pretreat oilseed ... pretreatment, by using shucking machine to remove shell of oil seeds, because shell will reduce the rate of oil yield and ...