PROBLEM TO BE SOLVED: To provide a method for obtaining an extract from sturgeon eggs, in which oil-soluble components and water-soluble components are mixed, in such a state that each component without impurities and turbidity is effectively extracted, and to provide a material for cosmetic preparations which cause extremely excellent effects such as moisturizing, antiaging and whitening effects on the skin or hair, and furthermore, to provide a cosmetic preparation using the same.SOLUTION: A cosmetic material is characterized by substantially removing the solvent-soluble component from a sturgeon egg with "water or an organic solvent which is compatible in water at 30°C at arbitrary ratio" (B2), and by subsequently extracting with "an organic solvent which is not compatible in water at 30°C at an arbitrary ratio" (A2).COPYRIGHT: (C)2014,JPO&INPIT【課題】油溶性成分と水溶性成分が混在しているチョウザメの卵から、各成分を効率よく、不純物や濁りのない状態で抽出物を得る方法を提供することにあり、更には、皮膚又は頭髪に極めて優れた保湿効果、老化防止効果、美白効果等をもたらす化粧料用の原料を提供することにあり、また、それを用いた化粧料を提供することにある。【解決手段】チョウザメの卵から、「水又は30℃で水に任意の割合で相溶する有機溶媒」(B2)を用いてその溶媒に可溶な成分を実質的に除いた後、「30℃で水に任意の割合では相溶しない有機溶媒」(A2)で抽出してなるものであることを特徴とする化粧料用原料。【選択図】なし
