Provided is a tea leaves for extraction of a low-caffeine green tea beverage, which is not susceptible to folding or browning during storage, and which enables the extraction of a green tea beverage which can be enjoyed hot or cold. Specifically provided is a tea leaves for extraction of a green tea beverage having a caffeine content with respect to the total mass of the dried leaves that falls within the range of 0.2 to 2.5 mass %, and the relation between the ratio of the mass content of theanine to the entire mass of dried leaves X (%) and the mass ratio of the content of monosaccharides to the fiber content Y satisfies the following condition: -0.007X+0.024@Y@-0.011X+0.039.提供一即使保管,沉澱或褐變等難以產生,可萃取出即使冰冷亦能美味地飲用之綠茶飲料之低咖啡因萃取綠茶飲料用茶葉。係提案一種萃取綠茶飲料用茶葉,其特徵係相對於整體乾燥葉質量之咖啡因含有量為0.2~2.5質量%,且,相對於整體乾燥茶葉質量之茶胺酸含有質量比例X(%),與相對於纖維量之單糖類含有量之質量比例Y之關係為滿足以下之條件(1);(1)…-0.007X+0.024≦Y≦-0.011X+0.039。
