Method for manufacturing a mixed beverage.

Method of manufacturing a mixed beverage comprising the steps of: (1) treating vegetable juice and / or fruit juice with pectin lyase, and then deactivating the pectin lyase; (2) adjusting the pH of the pectin lyase treated liquid obtained in step (1) so that the final pH of the mixed beverage becomes 3, 0 to 4, 5; and (3) adding low protein phytate soybean pH adjusted liquid obtained in step (2).