PROBLEM TO BE SOLVED: To provide a hesperidin-containing beverage capable of maintaining good flavor by suppressing generation of the plaster-like foreign taste and foreign flavor caused by hesperidin contained in the beverage, even after storage for a predetermined time period in a high-temperature environment, such as in the summer season a manufacturing method thereof, and a method for preventing the flavor deterioration of a hesperidin-containing beverage.SOLUTION: The beverage has a ratio of the total content of lactone [L] (mg/L) to the content of water-soluble hesperidin [H] (mg/L), i.e. [L]/[H], of 0.0008 to 0.0061.
