PROBLEM TO BE SOLVED: To provide a volatile oil extractor that is for extracting a volatile oil from a vegetable biomass using microwave, can save energy, can treat a large amount of a vegetable biomass, can solve a problem of overheating of a vegetable biomass caused by local irradiation of microwave or by a shortage of a solvent, and is excellent in microwave irradiation efficiency.SOLUTION: The extractor, that is for extracting a volatile oil from a vegetable biomass using microwave, comprises an extraction vessel for receiving a vegetable biomass and a solvent, a part for microwave irradiation, and parts for solvent condensation and for volatile oil recovery, each part is installed outside of the extraction vessel that is equipped with at least one means of microwave diffusion or of microwave transmission.COPYRIGHT: (C)2007,JPO&INPIT【課題】省エネルギー化及び大量の植物バイオマスの処理が可能で、マイクロ波の局部的な照射或いは溶媒不足による植物バイオマスの過加熱を解消することができ、しかもマイクロ波照射効率に優れる、マイクロ波を用いて植物バイオマスから精油を抽出する精油抽出装置を提供する。【解決手段】マイクロ波を用いて植物バイオマスから精油を抽出する抽出装置であって、植物バイオマス及び溶媒を収容する抽出容器、マイクロ波照射部、及び抽出容器外に備えられた溶媒凝縮部と精油回収部とから構成され、前記抽出容器がマイクロ波拡散手段又はマイクロ波伝達手段のうちの少なくとも一方を備えていることを特徴とする精油抽出装置。【選択図】図1
