| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing tea extracted solution having high extraction efficiency of non-polymeric catechins, and excellent flavor with depth and without crude taste, and to provide packaged tea beverage using the extracted solution produced by the method. SOLUTION: This method for producing the tea extracted solution comprises preparing tea leaves in a column type extractor, supplying, based on the weight of the prepared tea leaves, 0.1-10 time(s) weight of water or hot water in which 0.2-19 wt.% of sodium hydrogencarbonate or sodium carbonate is dissolved, and drawing extracted solution while supplying water or hot water to a column. COPYRIGHT: (C)2006,JPO&NCIPI
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