PROBLEM TO BE SOLVED: To provide an aspartate-containing oral composition which reduces a specific aftertaste originated from an aspartate, can easily be taken, and does not leave an unpleasant aftertaste.SOLUTION: The oral composition which reduces a specific aftertaste originated from an aspartate is characterized by comprising an aspartate and soluble low viscous dietary fibers, and a method for reducing the specific aftertaste originated from the aspartate is characterized by compounding the soluble low viscous dietary fibers in an oral composition containing the aspartate.COPYRIGHT: (C)2013,JPO&INPIT【課題】アスパラギン酸塩に由来する特異的な後味を低減し、摂取しやすく、不快な後味が残らないアスパラギン酸塩含有経口用組成物を提供すること。【解決手段】アスパラギン酸塩および可溶性低粘度食物繊維を含有することを特徴とする、アスパラギン酸塩に由来する特異的な後味が低減された経口用組成物、並びにアスパラギン酸塩含有経口用組成物において、可溶性低粘度食物繊維を配合することを含む、アスパラギン酸塩に由来する特異的な後味を低減する方法。【選択図】なし