abstract |
Extracts or beverages whose ratio between the content of 2,5-piperazinedione,3,6-bis(phenylmethyl)-,(3S,6S)-(unit: μg/100 g) and Brix (Bx) is 6 (μg/100 g)/Bx or more are good in flavor and feeling on the tongue and further have a good appearance. |