PROBLEM TO BE SOLVED: To provide a powdered green tea flavor imparting or powdered green tea flavor improving agent that imparts a nonconventionally rich flavor with refreshing bitterness, sweetness and fragrance unique to powdered green tea, umami gradually spreading in the mouth and a rich tea leaf feeling similar to a freshly-prepared thick tea, koicha, by adding to a food and drink containing powdered green tea with an extremely small addition amount.SOLUTION: The powdered green tea flavor imparting or powdered green tea flavor improving agent contains (E)-6-nonenal as an active ingredient. Powdered green tea and a food and drink containing powdered green tea produced by containing 0.1 ppt to 5 ppb of the powdered green tea flavor imparting or powdered green tea flavor improving agent are provided.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】抹茶を含有する飲食物に極微量添加することにより、従来にない抹茶独自の爽快な苦味・甘さ・香ばしさのある豊かな風味、じんわりと拡がる旨味とお濃茶を点てた時の様な濃厚な茶葉感を付与する抹茶風味付与乃至抹茶風味改善剤を提供する。【解決手段】(E)-6-ノネナールを有効成分とする抹茶風味付与乃至抹茶風味改善剤および0.1ppt~5ppb含有させる抹茶及び抹茶を含有する飲食物。【選択図】なし
