PROBLEM TO BE SOLVED: To provide a method for producing a green tea extract having high concentration of nonpolymerized catechin, weak bitterness and astringency, and excellent flavor.SOLUTION: This method for producing the green tea extract comprises subjecting raw tea leaves which are subjected to oxygen inactivating treatment to CTC treatment, drying the tea leaves to bring water content to &le20 mass%, and extracting in a condition that a mass ratio of an extractant to tea leaves in extraction is &le30 times.COPYRIGHT: (C)2007,JPO&INPIT【課題】非重合体カテキン類濃度が高く、苦味及び渋味が弱く風味の良好な緑茶抽出物の製造法の提供。【解決手段】酵素不活化処理した生茶葉をCTC処理し、水分含有量が20質量%以下になるまで乾燥し、次いで抽出時の茶葉に対する抽出溶媒の質量比が30倍以下の条件で抽出する、緑茶抽出物の製造法。【選択図】なし