PROBLEM TO BE SOLVED: To provide a new processed leaf production method capable of producing a processed leaf capable of not only ingesting components useful for the human body by effectively activating forest resources but also provided with satisfactory taste, flavor or the like as luxury goods, a new processed leaf produced thereby, and a new autumn tree leaf beverage including the extract of the processed leaf.SOLUTION: A tree leaf turned red in a fallen autumn leaf tree is taken, and, through the treatments of rubbing and fermentation to a taken autumn tree leaf, a processed leaf for an extracted beverage is obtained.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】森林資源を有効活用して人体に有益な成分を摂取できるだけでなく嗜好品としての良好な味や香りなども備えた抽出飲料用の加工葉を製造可能となる、新規な加工葉製造方法と、それによって製造される新規な加工葉と、加工葉の抽出液を含む新規な紅葉樹葉飲料とを、提供すること。【解決手段】落葉広葉樹における紅葉した樹葉を採取し、採取した紅葉樹葉に対する揉みおよび発酵の処理を経て抽出飲料用の加工葉を得る。【選択図】図1
