PROBLEM TO BE SOLVED: To provide a green tea-based beverage having flavor intrinsic to a green tea-based beverage with reduced floury taste, which is easy to drink due to smoothness and excellent feeling in passing through the throat.And to provide a production method thereof.SOLUTION: The green tea-based beverage having flavor intrinsic to a green tea-based beverage with reduced floury taste, which is easy to drink due to smoothness and excellent feeling in passing through the throat includes a chlorophyll-containing plant. The beverage has a 50% cumulative particle diameter of 70 μm or less and a 90% cumulative particle diameter of 30 μm or less, and an adjusted viscosity of 15 to 50 cP. The production method of the beverage is provided.COPYRIGHT: (C)2014,JPO&INPIT【課題】緑色系飲料特有の風味を有しながらも、粉っぽさが改善され、滑らかで喉越しが良く、飲みやすい緑色系飲料及びその製造方法を提供する。【解決手段】クロロフィル含有植物を含有する緑色系飲料を、飲料液中の累積50%粒子径が70μm以下であると共に累積90%粒子径が30μm以下であり、かつ粘度が15~50cPに調整することにより、緑色系飲料特有の風味を有しながらも、粉っぽさが改善され、滑らかで喉越しが良く、飲みやすい緑色系飲料及びその製造方法を提供する。【選択図】なし