Pressing and solvent extraction are two common oil extraction methods, and they are obviously different in principle, operation and application. First of all, pressing is a physical extraction method, which squeezes out the oil in plant materials by mechanical force. This method is usually …

Solvent Extraction Process The solvent extraction process of edible oil is a key step to extract oil from various raw materials (such as seeds, nuts and oily crops) with solvents. This method, utilizing solvents like hexane, offers significant advantages in terms of efficiency, yield, and versa…