PROBLEM TO BE SOLVED: To provide a method for manufacturing caffein-free wormwood tea leaves for habitual drinking by men and women of all ages, which maintains various health functional properties of wormwood as much as possible without losing the properties in the manufacturing process, and suppresses the flavor unique to medical herbs as much as possible while remaining the good flavor of wormwood.SOLUTION: The method for manufacturing wormwood tea leaves without blanching includes: (i) a step of washing raw wormwood leaves and (ii) at least one drying step selected from the group consisting of ventilation drying at 30 to 70°C, low-temperature microwave drying, and low temperature decompression drying.COPYRIGHT: (C)2014,JPO&INPIT【課題】ヨモギが有する多様な健康機能性を製造過程で極力失わないように保持したまま、ヨモギが有する良い香りを残しつつも、薬草様の独特の風味を出来るだけ抑え、老若男女が愛飲し易く、かつカフェインが含まれないヨモギ茶葉の製造方法を提供する。【解決手段】ヨモギ茶葉の製造方法であって、ブランチングを含まず、(i)ヨモギ生葉の洗浄工程;および(ii)30~70℃での通風乾燥、低温マイクロ波乾燥および減圧低温乾燥からなる群より選ばれる少なくとも1つの乾燥工程を含むヨモギ茶葉の製造方法。【選択図】なし