One method was that corn germ was separated from corn,and then maize oil was prepared by pretreatment,press,extraction and refining from corn germ.

• 一是从原料玉米中提取玉米胚芽,玉米胚芽经预处理、压榨、浸出得玉米毛油,毛油经精炼得精制玉米油或一级玉米油。