What are cold press oils?
Large industrial manufacturers of vegetable oils world over use the solvent–extraction process to extract oil from seeds. The solvent most widely used is a chemical called hexane, a very cheap and abundant by-product of petroleum refineries. This process is highly efficient and extracts every bit of oil from the seeds, making it very economical. More chemicals are added at high temperatures for deodorizing, bleaching and straining the oils, whose residues remain in them. The high heat also makes the oils lose their unique flavours and nutrition. Finally, to increase the shelf-life of the oils, trans-fats are added, which can cause an increase in bad LDL cholesterol.
In cold press process - the oil seed paste is pressed in low temperatures by slow expellers which expel the oil. No artificial chemicals are used throughout the entire process. These cold-pressed oils retain their nutrition and a high degree of flavour, colour, aroma and nutrition and are hence preferred by chefs and health-food enthusiast’s world over.