PURPOSE: A deodorizing agent utilizing coffee waste is provided to carry out disinfection well and to improve flavor.CONSTITUTION: A deodorizing agent utilizing coffee waste comprises a first disinfection step(100) of drying in the sunlight, a second disinfection step(120) of using NaOH and the like, a third disinfection step(130) of using NaOH and the like, a step(140) of extracting biomass, a step(150) of extracting bio oil after mixing the biomass and nucleic acid, a step(160) of extracting a bio oil layer after reacting the bio oil with an acid solvent, and a step(170) of extracting the bio oil after removing free fatty acid from the bio oil layer.COPYRIGHT KIPO 2013[Reference numerals] (100) First disinfection with the sunlight (120,130) Second disinfection using chemical such as sodium hydroxide (140) Mixing coffee residue and alcohol and extracting biomass (150) Mixing the biomass and hexane and extracting bio oil (160) Reacting the bio oil with an acid solvent and extracting a bio oil layer (170) Removing free fatty acid from the bio oil layer and extracting the bio oil본 발명은 햇빛에 말려 1차 건조, 소독과정을 거친 후 약품을 이용한 2차 소독을 하면 곰팡이가 생기지 않고 오랫동안 보존을 할 수 있다, 또한 커피찌꺼기에서 바이오 오일층 으로부터 유리 지방산을 제거하여 농축액 추출하는 것에 관한 것이다.
