To provide green tea extract free from causing turbidity or precipitation even if preserving in an acid condition. A method for producing the green tea extract comprises subjecting green tea extract to tannase treatment and acid treatment followed by active carbon treatment. The range of pH in the acid treatment is 2-4.
산성 조건하에서 저장해도 탁함이나 침전을 일으키지 않는 녹차 추출물을 제공한다.녹차 추출물을 탄나아제 처리하고 산처리한 후활성탄 처리함으로써 녹차 추출물을 얻는다.