Provided are a lemon-flavored beverage having a lemon flower-like aroma, a lemon-flavored beverage base, a method for producing a lemon-flavored beverage, a method for producing a lemon-flavored beverage base, and a method for improving the flavor of a lemon-flavored beverage. In the lemon-flavored beverage according to the present invention, the content of citral is 10 to 20000 ppb, and the content of methylanthranilate is 30 to 5000 ppb and/or the content of indole is 2 to 500 ppb. In the lemon-flavored beverage base according to the present invention, in a case where the contents of citral, methylanthranilate, and indole are X ppb, Y ppb, and Z ppb, respectively, and the dilution ratio is D fold, X/D is 10 to 20000, and Y/D is 30 to 5000 and/or Z/D is 2 to 500.
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