The invention provides a preparation method of ice blast
base oil with natural sour and sweet note. The preparation method of the ice blast
base oil comprises the following specific preparation steps:taking raw materials of fructus schisandrae and
semen ziziphi spinosae according to the
mass ratio of (1 to 2) to (1 to 2) for mixing, adding
tap water, soaking at
room temperature for 8 to 24 hours,heating, refluxing and extracting at normal pressure for 1 to 5 hours, collecting distillate by using a condenser and carrying out oil and water separation to obtain volatile oil, then adding the volatile oil into
polyglycerol polyricinoleate, adding Tween 60, filtering and collecting filtrate, carrying out ultrasonic treatment at 20 to 60 DEG C or below for 0.5 to 2 hours and standing still for2 to 12 hours after the ultrasonic treatment is finished to obtain the ice blast
base oil with the natural scour and sweet note. The ice blast base oil disclosed by the invention can bring obvious sour and sweet note, strong
aroma, as well as comfortable and nature property; in addition, the ice blast base
oil can be well compatible with a
wall material, so that the problems of thin
aroma and unstable molding caused by the addition of synthetic spices into the ice blast base oil are well solved.