| 摘要 |
PURPOSE:To obtain the subject drink and food containing a large amount of gamma-aminobutyric acid and remarkably good for health by adding glutamic acid and/or its salt to pretreated vegetables having a high glutamic acid decarboxylase activity. CONSTITUTION:Glutamic acid and/or its salt is added to pretreated vegetables having a high glutamic acid decarboxylase activity and a part of glutamic acid and/or its salt is converted to gamma-aminobutyric acid. As the raw material of the above-mentioned pretreated vegetables having a high enzyme activity, an immature tomato, a pumpkin, a carrot, a Japanese radish, etc., are preferable. As the pretreated vegetables, a juice obtained from an unheated vegetable is preferable. A pretreated food material of avocado, broccoli, potato, corn, etc., containing glutamic acid and/or its salt abundantly may be used as a substitute therefor or used in combination therewith. The reaction conditions of glutamic acid decarboxylase are preferably 15-30 deg.C and pH 4.0-6.0. |
