PURPOSE: To harmanize the whole flavor and to raise taste without damaging enhancing effect, etc. of organic acid, by adding ammonium L-glutamate to acidic seasoning or a seasoned acidic food containing an organic acid.

CONSTITUTION: Acidic seasoning such as vinegar, dressing, source, etc. or a seasoned acidic food such as pickle, fruit drink, jam, etc. containing an organic acid such as acetic acid, lactic acid, citric acid, etc. is blended with ammonium L-glutamte.