PROBLEM TO BE SOLVED: To provide a method for producing oil-based particles reduced in the leak of constituent zinc oxide particles therefrom.SOLUTION: The method for producing the oil-based particles comprises the dispersion preparation step of preparing a dispersion by dispersing an oil component containing a solid fat, a liquid, and zinc oxide particles in an aqueous component to form particles of the oil component therein and the aging step of keeping the oil particles comprising the particles of the oil component at 35-65°C.COPYRIGHT: (C)2008,JPO&INPIT【課題】酸化亜鉛粒子の漏出が抑制される油性粒子の製造方法を提供する。【解決手段】油性粒子の製造方法は、固体脂と液体油と酸化亜鉛粒子とを含有する油性成分を水性成分に分散させて粒子化させた分散液を調製する分散液調製工程と、粒子化した油性成分からなる油性粒子を35~65℃で保持する熟成工程と、を備える。【選択図】なし
