PROBLEM TO BE SOLVED: To provide a technique for taking out a native lipid component in a physical and economical manner without using a harmful solvent by finding unused resources of lipid including wax, fatty acid, squalene or the like.SOLUTION: The separation manufacturing method of a lipid component is characterized as follows. The fish body of fishes with a high lipid content is decompressed in the presence of water, and the lipid component flowing out is separated from a portion other than the same.COPYRIGHT: (C)2012,JPO&INPIT【課題】 ワックス、脂肪酸、スクワレン等を含む脂質の未利用資源を見出し、有害な溶媒等を使用せずに未変性の脂質成分を物理的、経済的に取り出す技術を提供すること。【解決手段】 脂質含量の高い魚類の魚体を、水の存在下で減圧処理し、流出する脂質成分をそれ以外の部分と分離することを特徴とする脂質成分の分離製造方法。【選択図】 なし