| 摘要 |
A beverage is prepared, which is a beverage containing catechin in ester form (A), catechin in free form (B), and caffeine (C), the contents thereof being 1 A + B = 500 to 6000 mg / L 2 A / [ ( A ) + ( B ) ] = 0.7 to 1.0 3 A / C = 6 to 27 , to maintain a high concentration of catechin with high biological functionality, with improved flavor and improved product quality in regard to occurrence of sediment and the like. |
