Recovering Method of Essential Oil of Plant, Essential Oil Obtained therefrom, and Cosmetic Composition Comprising The Same

摘要

The present invention comprises the steps of steaming the subject; Freezing the steamed subject; Performing an extraction process by placing the frozen object in a vacuum chamber maintained at 20° C. or less and -500 mmHg or less; And condensing the extract obtained through the extraction process to obtain a liquid essential oil. It relates to a method for recovering vegetable essential oils using vacuum extraction at a low temperature comprising the step of removing and purifying moisture using a non-polar trap.