Provided is a packaged tea beverage containing amino acids at high concentrations, wherein heat-deterioration odor generated by heat sterilization has been reduced. The contents of amino acids, caffeine and furaneol in the tea beverage are adjusted to at least 40 ppm, at least 150 ppm, and at least 50 ppb, respectively. The catechins content is preferably adjusted to not more than 600 ppm.