Patent ID: 7651717

Claim:
A beverage comprising the following ingredients (a), (b) and (c): (a) 0.05 to 10% by weight of a chlorogenic acids family mixture comprising isochlorogenic acids wherein the weight ratio of said isochlorogenic acids is from 1/20 to 1/3 of the chlorogenic acids mixture; (b) a hydroxycarboxylic acid in a quantity ranging (1) from 5 to 15 times the weight content of said ingredient (a) and (2) from 0.25 to 15% by weight of the beverage, and a vegetable-derived flavor substance in a quantity ranging (1) from 0.1 to 30 times the weight of said ingredient (a) and (2) from 0.25 to 15% by weight of the beverage; and (c) 30 to 99.7% by weight of water.