The present application relates to the field of edible oils, and specifically discloses a preparation process for high-oleic
peanut oil and high-oleic
peanut oil. A preparation process for high-oleic
peanut oil comprises the following steps:
raw material selection: selecting peanut kernels with an
oleic acid content of 75% or more; cleaning: removing immature kernels, damaged kernels, moldy kernels, stones, and metals from the peanut kernels; removing red skins:
roasting the peanut kernels to a
moisture content of 4-5.5%, cooling to
room temperature, removing the red skins, and obtaining peanut kernels and peanut red skins; pressing: stir-frying the peanut kernels and pressing them to obtain
crude oil and peanut cakes, which are then cooled; pre-
coating: mixing oil, diatomaceous earth, and
perlite, and then circulating pre-
coating on a filter device after mixing; filtering: filtering the
crude oil using the pre-coated filter device and
nitrogen-filling and filling. The preparation process for high-oleic peanut oil of the present application has the advantages of few
filtration passes, less use of
filtration raw materials, and good low-
temperature resistance and difficulty in stratification of the high-oleic peanut oil produced.