PROBLEM TO BE SOLVED: To provide a method for producing nobiletin, capable of extracting the nobiletin and its associated components contained in foods such as citrus-based pericarp in a short time to be able to reduce extraction cost, and the nobiletin-containing extract.SOLUTION: This method for producing the nobiletin is provided by immersing a powdery raw material consisting of the foods containing the nobiletin such as the citrus-based pericarp in water, an organic solvent or a solvent consisting of the mixed liquid of water with the organic solvent, putting the mixture into a static fluid-mixing device such as a Ramond nano-mixer, and micronizing up to a nanometer order to extract the nobiletin into the solvent.COPYRIGHT: (C)2012,JPO&INPIT【課題】柑橘系果皮などの食品に含まれるノビレチンおよびその関連成分を短時間で抽出可能で、抽出コストを低減することができるノビレチンの製造方法およびノビレチン含有抽出物を提供する。【解決手段】柑橘系の果皮等のノビレチンを含む食品から成る粉末状の原料を、水、有機溶媒または水と有機溶媒との混合液から成る溶媒中に浸漬する。それをラモンドナノミキサー等の静止型流体混合装置に投入してナノメートルオーダーまで微細化し、ノビレチンを溶媒中に抽出する。【選択図】図1