PROBLEM TO BE SOLVED: To provide a method of manufacturing a packaged sugar-free tea beverage by manufacturing a tea extract with reduced bitter and astringent tastes while maintaining the proper taste of tea, and using the tea extract.;SOLUTION: A method of manufacturing a tea extract includes a process for reducing volatile substances derived from tea leaves, in a manufacturing process for the tea extract, thereby providing the tea extract with substantially reduced bitter and astringent tastes. A packaged sugar-free tea beverage containing the tea extract and a method of manufacturing the same are provided. Also, a method of reducing the bitter and astringent tastes of the tea extract is provided.;COPYRIGHT: (C)2012,JPO&INPIT
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