Abstract: A packaged beverage with a green tea extract mixed therein, which contains (A) a non-polymer catechin, (B) oxalic acid or a salt thereof, and (C) caffeine, where the content weight ratio (B)/(A) is from 0.00005 to 0.1, and the content weight ratio (A)/(C) is from 5 to 10000. The packaged beverage contains catechins at high concentration, is reduced in bitterness and astringency and is suited for long-term drinking, is excellent in the stability of bitterness and astringency and also in the feeling as it passes down the throat, and further, remains stable in its color tone even when filled in a clear container and stored at high temperatures.

Abstract: A packaged beverage with a green tea extract mixed therein, which contains (A) a non-polymer catechin, and (B) from 0.0001 to 20 wt %, in terms of equivalent glucose amount, and less than 0.05 wt %, in terms of equivalent fructose amount, of a carbohydrate, wherein the packaged beverage has a pH of from 2 to 6. The packaged beverage contains catechins at high concentration, is reduced in bitterness and astringency and is suited for long-term drinking, is excellent in the stability of bitterness and astringency and also in the feeling as it passes down the throat, and further, remains stable in its color tone over a long term even when filled in a clear container and stored at high temperatures.

Abstract: A packaged beverage with a green tea extract mixed therein, comprising the following ingredients (A), (B) and (C): (A) from 0.01 to 1.0 wt % of non-polymer catechins, (B) oxalic acid or a salt thereof, and (C) caffeine, wherein a content weight ratio [(B)/(A)] of said oxalic acid or salt thereof (B) to said non-polymer catechins (A) is from 0.00005 to 0.1, and a content weight ratio [(A)/(C)] of said non-polymer catechins (A) to said caffeine (C) is from 5 to 10000. The packaged beverage contains catechins at high concentration, is reduced in bitterness and astringency and is suited for long-term drinking, is excellent in the stability of bitterness and astringency and also in the feeling as it passes down the throat, and further, remains stable in its color tone even when filled in a clear container and stored at high temperatures.

Abstract: A packaged beverage with a green tea extract mixed therein, comprising the following ingredients (A) and (B): (A) from 0.01 to 1.0 wt % of non-polymer catechins, and (B) from 0.0001 to 20 wt %, in terms of equivalent glucose amount, and less than 0.05 wt %, in terms of equivalent fructose amount, of a carbohydrate, wherein said beverage has a pH of from 2 to 6. The packaged beverage contains catechins at high concentration, is reduced in bitterness and astringency and is suited for long-term drinking, is excellent in the stability of bitterness and astringency and also in the feeling as it passes down the throat, and further, remains stable in its color tone over a long term even when filled in a clear container and stored at high temperatures.