| 摘要 |
THE PRESENT INVENTION AIMS TO PROVIDE EXTRACTS OR BEVERAGES CONTAINING 2,5- PIPERAZINEDIONE,3,6-BIS(PHENYLMETHYL)-,(3S,6S)-, WHICH IS A USEFUL SUBSTANCE WITH AN IMPROVING EFFECT ON LEARNING MOTIVATION, IN AN EASY-TO-INGEST FORM AND AT A HIGH CONCENTRATION. 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. MOREOVER, SUCH EXTRACTS OR BEVERAGES CAN BE INGESTED CONTINUOUSLY OVER A LONG PERIOD OF TIME AS FOODS AND BEVERAGES USEFUL FOR IMPROVEMENT OF LEARNING MOTIVATION. |
