The present invention relates to a process for continuous extraction of an aqueous and/or fat-containing liquid phase F comprising aroma chemicals with a gas G in the liquid or supercritical state.

The present invention relates to a process for continuous extraction of an aqueous and/or fat-containing liquid phase F comprising aroma chemicals with a gas G in the liquid or supercritical state.

A method for fractionated extraction of a woody edible oil with supercritical carbon dioxide is provided. In the method, with a Camellia oleifera Abel seed and a Torreya grandis seed as raw materials, a process for supercritical carbon dioxide extraction of an oil is explored to obtain eco-friendly, safe, and nutritious Camellia oleifera Abel and Torreya grandis seed oil production technologies without chemical refining. The method adopts a fractionated extraction mode where water and free fatty acids are first removed with low-pressure supercritical carbon dioxide and then an oil (triglycerides) is extracted through high-pressure extraction. A product of the method can be marketed without refining. According to different characteristics of oils, the two methods of low-temperature vacuum removal and freeze-drying removal are adopted, which both can meet the target requirements.