Flaxseed oil is a new kind of healthy oil product in the vegetable oil market, due to the different oilseed characteristics and the oil product aims, the oil extraction method is not the same, usually oil extraction could be processed in 2 ways: the physical way and the chemical way, as to the flaxseed oil, 3 different method could be used in the production, heat pressing, cold pressing, and gas pressing.
Heat pressing: oil extraction by roasting and frying under the temperature conditions of 200 degrees, the advantage is high oil yield-33% and the special paste incense, but the high temperature would damage the nutritional matters and make them hard to be absorbed.
Gas pressing: oil extraction by steaming and roasting under the temperature of 200 degrees, the advantage is light color, tasteless, and higher yield-40%, the disadvantage is the same as the heat pressing.
Cold pressing: The temperature controlled between 30-40 degrees, use the physical precipitation method to process the crude oil, thus no damage would be done to the nutritional matters, a-linolenic acids content is higher.
If you are looking for the flaxseed oil cold pressing equipment, you can consult AGICO expert now, just fill in the forms and you will get the professional answers.
