To provide a method for manufacturing a tea extract which exhibits rich taste, flavor and sweetness by decomposing proteins, which are contained in tea leaves and which could not sufficiently be decomposed by a conventional protease treatment extraction, and thereby forming amino acids. A method for manufacturing a tea extract, including a step (A) for subjecting tea leaves to first-stage enzymatic treatment, a step (B) for increasing the pH of the obtained product by at least 0.1 after the completion of the step (A), and a step (C) for subjecting the resulting product to second-stage enzymatic treatment after the step (B).本發明之課題在於提供一種可分解在以往茶葉的蛋白酶處理萃取中無法充分分解的茶葉中的蛋白質並使胺基酸生成之製造鮮味、濃味、甘味強的茶類萃取物之方法。其解決手段在於提供一種茶類萃取物之製造方法,其包含下列步驟A~C:(步驟A)對茶葉進行第1階段的酵素處理之步驟、(步驟B)步驟A結束後,使pH上升0.1以上之步驟、(步驟C)在步驟B之後進行第2階段的酵素處理之步驟。
