Problem to be solved: to provide fresh leaf sensitization enhancer to increase the fresh green taste of the plant.Solution: a green leaf sensitizing agent that contains one or more or more of the compounds selected from the compound represented by specific organic sulfur compounds having thiol (r-sh), sulfide (r-s-r ) or thioester (r-s-co-r) in its structure. Mint flavor composition containing 0.01 to 10000 ppm, raw leaf sensitizing enhancer and mint flavor.No selection【課題】ミント香料において、ハッカ属植物のフレッシュでグリーンな生葉感を増強する生葉感付与増強剤の提供。【解決手段】チオール(R-SH)、スルフィド(R-S-R’)又はチオエステル(R-S-CO-R’)をその構造中に有する特定の有機硫黄化合物で表される化合物から選ばれる1種又は2種以上を有効成分とする、ミント香料の生葉感付与増強剤。0.01~10000ppmの、生葉感付与増強剤とミント香料を含むミント香味料組成物。【選択図】なし