PROBLEM TO BE SOLVED: To provide an excellent method for manufacturing an aroma concentrate with little reduction in aroma and a good aroma balance.SOLUTION: The method for manufacturing the aroma concentrate comprises a step of producing a distillate containing the aroma by steam distillation of a natural raw material, a step of producing extract by adding water to a steam distillation residue, a step of mixing a part or the total of the resultant extract with the distillate containing the aroma, and a step of concentrating the mixture using a reverse osmosis membrane.COPYRIGHT: (C)2010,JPO&INPIT【課題】 香気の減少がほとんどなく、香気バランスの良い優れた香気濃縮物の製造方法を提供すること。【解決手段】 天然原料を水蒸気蒸留して香気を含む留出液を得た後、水蒸気蒸留残渣に水を加えて抽出することにより得られる抽出液の一部または全量を、香気を含む留出液に混合後、逆浸透膜を用いて濃縮して香気濃縮物を得る。【選択図】なし
