PROBLEM TO BE SOLVED: To provide a method of deodorizing an organic solvent used in the purification of a plant extract.SOLUTION: The method of deodorizing the organic solvent which is recovered after the purification of a plant extract with an organic solvent comprises a step of bringing the recovered solvent into contact with a nonionic surface active agent having an HLB of not lower than 2 and distilling the resulting solvent.COPYRIGHT: (C)2009,JPO&INPIT【課題】植物抽出物の精製に使用した有機溶媒を脱臭する方法を提供すること。【解決手段】植物抽出物を有機溶媒で精製した後に回収した有機溶媒を脱臭する方法であって、回収有機溶媒をHLBが2以上の非イオン界面活性剤と接触させ、蒸留する工程を含む、有機溶媒の脱臭方法。【選択図】なし
